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User Manual - Thought Technology, Ltd.

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1. Training Z score index Animation 1 monitor Hias Lum kap irum zuo Toma T GESAGT RACES NEGRA DU Rui ees ii iama isma ee ee This screen provides animation feedback related to Z score index Bar graph provides color feedback red below threshold light blue above animation cycles and green light goes on with success otherwise it remains off index below threshold and or artifact rejection on and artifacts present Epoch means of z score index are trended Range settings for z score index are available via settings instrument The two red LEDs on a E j wA io E the screen will indicate the presence of artifacts eye Se ea AL movement EMG noise and artifact rejection can be a TIU ET ERN UE turned on or off in the lower left corner of the screen for ta hee M each electrode independently Training Z score index DVD 2 monitors This is the two monitor version of the z score index DVD screen described above The same functionality is spread over a dual monitor display to allow feedback to be displayed to the subject independently of the control items of the screen Oe hame Here Tage eee Cee Naren Doe len Tegra 2 cen tan OR lemmas bead amp eem e dn Tae kem de eem ome im 7 3 4 E amp P LIU EO pS jO
2. e Define New Session to select a new script e Keep Virtual Channel Settings Select New Script to keep the client s channel set and settings but select a different script The Script Database window opens Script Database E Sed 4 corgt Turm encoder e ON id check OR Select an Encoder Communic sion Protocol Suet Categories Pr Como infin v Z store 6 ProC mo Inheit Descnption Duration Actes Chorei Set Dearption Category Date Modinied T score axiessmert 6 Ich eyes cersed 00 02 00 3 score 6 2d Tore 6 ProComp Wire 11 15 2012 3 54 40 PM TIT T 525 he eyes ope ps 3 120r f score assessment 6 4ch eyes dosed 00 02 00 j iore 6 d T score 6 ProComp infin 11 19 2012 3 3 40 PM 7 score assesomer 6 ch eyes open 00 02 00 3 7 wore 6 ch 7 store 6 ProComp Infra L1f15 2012 25425 PM Screen uc J Pehune Vena Focused Tone ues Sopt Screen Peture View Desrriptior Category Date Modified Senipt Mestructone Artifact calibeation sg To see thumbnail images of the Channel Set Configuration Edit Script Settings ox Back Cancel screens used in the chosen Script Database script select Picture View 4 Select ProComp Infiniti for Procomp5 and ProComp Infiniti or Legacy for ProComp2 encoder as the encoder communication protocol from the drop down list at the top 5 Optionally select a Z score 6 category from the Script Categories drop down list Only the scripts belonging t
3. Aidi ald begiers mpa het mas rir agi gri Fair Emir i iyimi epn mim ee Form i Review Signals This review screen includes multi line graphs of raw Ap peo b Miaa EEG and artifacted EEG of each electrode Four line MEO ADNOT MEUSE UE NECI ENT graphs of z score indices and numeric are also ku rr ees s n OA eund Wr ee Mm included 4 Upmm crum BERI BUE E s FE d Report Haw Z scores and means This screen includes multi line graphs of raw and artifacted EEG of each electrode Two z instruments displaying raw z scores and rectified z scores session means The color change when the z scores are not within the range 2 2 green inside the threshold and red when the values are outside If the rectified means are not desired instructions are available on how to uncheck this option E ga TAE eSaccaue Hii Ip f im tn 1 1M Bata I AH Od Bett i d Pu ipn keraren iiie ama ponerse sume prie Peli irai Dan Seat peer y 21T aad c Ferri amiche Percy dniper prepni gaj Poe cri rem enggen zi Upmm crum BERI BUE 4E s FE i 2 526 User Manual 51 Specifications and Support Hardware Specifications EEG Z Sensor 8A9305Z Size approx Weight approx Input impedance Signal input range Sensitivity CMRR Channel bandwidth Accuracy Placing Orders Outside USA Tel 1 514 489 8251 Fax 1 514 489 8255 In USA Toll Free Tel 1 800 361 3651 E Mail mail thoughttechnology com Or cont
4. Pepe im Seti dell oe ata Aouermerr A y scnes To see thumbnail images of the screens available for the chosen channel set select Picture View Select ProComp Infiniti for Procomp5 and ProComp Infiniti or Legacy for ProComp2 encoder as the encoder Optionally select a Z score 6 category from the Channel Set Category dropdown list Only the channel sets 21 6 Optionally choose a Screen Category from the drop down list Only the screens belonging to the category will display 7 Choose one to five Screens from the list and click OK To select more than one screen press down the CTRL key while clicking with the left mouse button Note If this is the first time you are recording a session at this point the system will prompt you to enter key codes See page 4 for more details 8 When the recording screen opens start recording by clicking on the Start button Sensor connections If there are problems with your sensor connections the Infiniti Software System program will report them prior to accessing the recording screen If for example yOU have sensors that o The following physical channels are not included in the selected are connected but are not required for this channel set UK Channel oe ane ae not berkenen you will get a warning message 1B Mirascan Hen You can remove the sensor if you want or continue Do you want to continue recording by clicking Yes Keep in mind that no data is recorded
5. Power Ratios z scores Report Connectivity z scores Select Screens Set Screen Order Cancel For an Open Display session 5 If you are reviewing a session that was recorded using a Favorite then review screens will already be selected by default and you can click OK to enter review mode Otherwise to select review screens do the following a Click on Select Screens b From the Screen Category drop down list select Z score 6 Only screens from the selected category will be listed Screens designed specifically for review contain either Artifact Rejection or Report in the screen name See page 29 for more information about Report Screens c Select up to 5 screens and click OK to return to Review Replay Session Confirmation d Click OK again to enter review mode Rejecting artifacts Artifact is signal distortion generated by something other than the source of the physiological sign being monitored It is sometimes called signal interference or signal noise There are several types of artifact and different methods of dealing with each For example electrical interference 50 Hz in North America 60 Hz in Europe can be offset by the use of an appropriate notch filter in BioGraph Infiniti High impedance levels can be mitigated by proper skin preparation and electrode placement Client cooperation can reduce movement artifacts The Z score 6 suite provides the capacity to remove artifacts from raw
6. User Manual NN 7 E ig fees ene Oe Dy Cometh Be jam pews bit Dea Quem Hpi pe pe m s t BN in fi vaneer SSE 2 PPR RR R am am m am gn Thought Technology Ltd 8205 Montreal Toronto Blvd Suite 223 Montreal West QC H4X 1N1 Canada For use with BioGraph version 6 0 or later Tel 1 800 361 3651 1 514 489 8251 Fax 1 514 489 8255 og E mail mail thoughttechnology com Webpage http www thoughttechnology com Scars 6 User Manual CLASSIFICATION A AC CAUTION Type BF Equipment Internally powered equipment Continuous operation e Read Instruction Manual practitioners RxQ I ly e US Federal Law restricts this device to sale by or on order of licensed health care WARNING ATTENTION Do not operate active sensor within 10 feet 3m of an operating cellular phone similar radio transmitting device other powerful radio interference producing sources such as arc welders radio thermal treatment equipment x ray machines or any other equipment that produces electrical sparks All encoders are totally isolated from line 110 or 220VAC power due to battery operation and fiber optic connections to computers However many hospitals and the FDA require that computers printers and any other equipment used with medical devices be electrically isolated from line voltage to UL or CSA medical safety standards Do not connect inputs or outputs of the encoder or sensors to line powered devi
7. 0 00 0 00 0 00 0 00 23 COH 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 14 COH 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 24 COH 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 34 COH 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 34 Interpreting the Z Score instrument EEG channels connected to the instrument are identified as 1 and 2 for 2 channels and 1 2 3 and 4 for 4 channels 2 C4 D Artifacted EEG 2 C4 D Artifacted EEG Power Ratios are tabulated to the left The column contains the frequency MM ee ee bands used in the numerator and the row contains the frequency bands used in the denominator The top row of values therefore reading from right to left contains power ratios for the Delta Theta Delta Alpha Delta Beta and Delta H Beta band ratios 3 F3 E Artifacted EEG The next row contains power ratios for the Theta Alpha Theta Beta and H Beta Beta Alpha Theta Theta H Beta band ratios The third row contains power ratios for the Alpha Beta and Alpha H B
8. Note When BioGraph Infiniti is not open you can also 2th Z score 6 assessment script eyes open run a Favorite from your computer desktop by 2ch Z score 6 index training 1 1 monitor double clicking its icon in the program group 2th Z score 6 index training 1 2 monitors 2ch Z score 6 index training 2 1 monitor 2ch Z score 6 index training 2 2 monitors 2ch Z score 6 single Z score training and amplitudes e Click the Start button e f necessary modify settings for the z score index see page 37 If you have chosen more than one screen you can view each one by clicking on the numerical buttons on the toolbar at the top Up to five screens can be viewed in the example below there are four where the third screen is currently on display 1 2 3 4 e To stop the session click the Stop button L1 56e 6 User Manual 43 e hen a series of message prompts guides you through the process of saving data adding notes to the session file and switching to reviewing mode so that you can generate a session report A full explanation of this process is provided in Stopping a Session on page 22 e After you switch to reviewing mode the system calculates session statistics from the data and loads screens for artifact rejection and reporting e Todisplay statistics for the full session drag the scroll bar to the extreme right A sec 4 t 7 Artifact calibration screen Artifact calibration
9. To be used for real time artifacting during recording ee This screen provides instructions guiding you through e calibration of eye movement and EMG noise for the client For each electrode you determine the value of the threshold for each artifact type Then set the lowest of the values as the session threshold by entering it as the corresponding general constant Follow the on screen instructions There are also instructions for toggling artifact rejection on or off for one or more electrodes However as long as artifact rejection is enabled for one electrode all EEG signals will be artifacted This allows you to control the source electrode while applying the artifacting to all channels Assessment screens Assessment All z scores l This screen provides visual feedback on all z scores simultaneously as well as all 4 z score indices Z instrument change color when individual z scores are en mew oa outside of the hard coded range of 2 2 red outside M EE green inside Computation range for z score indices are adjustable via edit virtual channel menu item and should be set to 2 2 to match color coded on screen feedback provided by individual z scores The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and the artifact toggle can be managed using setting instruments one for each Electrode E C4 i Arscted EEG LI 5 aha foe Assessment Z scor
10. Word opens 0 Ste sen Midas simu in and displays your report as a document You can print or dig MED Span by span save the report using Word s Print and Save functions Se Note Microsoft Word and Microsoft Excel must be installed on your system for these functions to work 5 686 User Manual 28 on a Repi iy es pith ee ee eee Excel generated session report Word generated session report Report screens An alternative way to report session activity is using BioGraph Infiniti Report Screens Report screens are simply BioGraph Infiniti screens designed to display session statistics and trends They have been predefined and customized for the Z score 6 suite and are available within the set of existing screens To use a report screen enter review mode either immediately after recording a session see Stopping a Session on page 22 or from the Database window by selecting the session from the database and clicking on Review Report see Reviewing a Session on page 24 1 Select up to 5 screens labeled Report and click OK 2 After the screens have loaded move the session scroll bar to the far right This ensures that the report screen displays statistics for the full session 0 a Im ode 2 zd amp repr Bement Z T m cm pn Ce n Apr bh bae oem ine sch Oped Hurfemt ce Heb dan Max fam 12 2 478 amp 7 9 Dalta Tice Apia Arepiadcyhec me 5 55 TAS 1
11. BioGraph Infiniti software recording replaying and reviewing sessions It discusses the analytical processes of impedance checking artifact rejection statistics calculation and report generation Z Score Assessment and Training introduces the concept of z score biofeedback and provides details about each of the components of the suite including scripts screens and Quick Start favorites It includes a description of the Z score instrument new in BioGraph Infiniti 6 0 The remaining sections of the manual provide a list of Hardware Specifications and information about the Warranty obtaining Technical Support and Returning Equipment for repair if necessary Note Important safety information about operating the equipment is provided in the front matter of the manual starting on page I 5 66 User Manual 1 Installation and System Requirements Before You Begin There are three software products you will need to fully benefit from z score biofeedback assessment and training These are BioGraph Infiniti version 6 0 the latest Z Score 6 Suite and the Z Score Biofeedback Add on e BioGraph Infiniti version 6 0 is the main software engine of all Thought Technology Ltd systems It must be installed first e Z Score 6 Suite provides the computations screens and scripts required for z score assessment and training e The Z Score Biofeedback Add on contains the NeuroGuide Z Score functionality from Applied NeuroScience Inc and requi
12. E E E A A A IN A E A A IN N E A IA A AE AA AE E AE TEA T 22 LPI IN Loes STO acct E DELE aa E 22 FIC DAVIN SESSIONS TT ko Enano aean T o m 24 PIO VICWING SOS SIONS sar e E ee ee ew cc ewe tence 24 FRETOC E samrdedriaotkt dem seda M Ema tix E E A E E E E 25 Cac ALN A de E I E E EN 27 Generating Session reports ean Tm EE 28 TOOLBar ONS E 30 Todaling belWeer SCICCIS csussecedederaexi sum centu ket nude aco aaRS ERA I EEEn Inen E E 30 Adjusundg scales ANG tiresDoltd isssoacemias veschikeuiaspaspbese ess wens odannenehssanccanaan tase basoaasendenaanyaanehsbendacnaqudcndbenszannnentaesubatweiseacatasauriacens 30 MITTS INC OC OC ENTE TTD EAEN E EE A EEEE OEA 30 ProComp Infiniti ProCompb Infiniti and FlexComp Infiniti ENCOCEL cccccceccccececeeaeeeeeeeeeeeeeeeeeeeeeaaeuaeeeeeeeeeeeeeeeeeseaaaageeees 30 PROCOMPITE T HEN 31 Injezo e 200 od4 WINDOW E m 32 2 568 6 User Manval Iv Z Score Assessment and Training ccccccccccscscccsccscccsscscccsscscccsscccccsscscccsscscccsscscccsscscccssescsos SS ONT ier eset cee eee ete T P 33 Z SCOLe Screen JEHSIEURTOTIE ascetic tense sec cceaece secnnnenenceecacetacesnesunsaansaunccemoctaeecnsctnensneccuesteucten peceuevsouenoueueeeeeuaususueuaueueeanecent 34 Interprelirig the Z Score Ads MUM GTM gasses ests ec eon tide tuo
13. Yard Dwesrripbinri Abit calaia Assessment Al z scones fasqesarend pcora andes Riga Ciri y atari Report Fosser Postings z scongs Fisart Peres Deo es Roget Fave Beant ded irei Report Z score index math CDG amplitudes Penne Futif st Papilon Runde Senis Training Single Z scone Animation irae Sese Z acons uxbo Training Z score Conmecthaby index Animation rronitor Treat Diora Connectreiby inde Animation Z monit rs Training Ettore iden Animacion 1 monicor Trairane Z scone Indes Animakion 2 monibors Training Pescara index DAD 1 monitor Trang T cc wm ides DAD T monilia Training Z srone Power Ratios index Animatien monitor rdi f nc ns Pevesr Rati index dramation Z ionit rs sa Select up to 5 Screens for Open Display Mode communication protocol from the drop down list at the top belonging to the category will display 5 Highlight a Channel Set on the left C Sc reGy User Manual Dabs Moxie 11 12 2017 11 14 57 AM lefAjz 12 2 44 05 8M Lake 1 525 27 PM 12 FSS 13 54 00 AM Lefora 11 54 40 EM Laat 11 99 14 AM 11f12 20327 11 55 15 AH lzfz0 2012 11 95 30 EM T f LE Su oo FTU 11 5 2012 LORS AM 12 2 2012 5 06 45 8M iii 5 13 82 PPM 1126 2032 1 23 40 PM 11 L2 032 2 42 LU ee 11 LE SUR Z 1 35 17 Pe 11IL2 62032 3 00 55 PA 12 L3 2082 3 LB 27 ee LA 1352017 3 LB 52 PIM 131212032 10 57 53 PII III alse 7 Cannel rere
14. cup so that it gets pulled lifted or twisted off The cable should hang naturally and towards the plastic clip as shown Leave enough slack in the cable to allow for comfortable head movement as well Z s lt 2e6 User Manval 16 Reference sites Repeat the above preparation and placement steps on the ear lobes Do not put too much paste on the ear clip electrode but ensure that the gold disc is completely covered Leave enough slack in the cable to allow the patient to turn their head easily but not too much that it can get caught Think about the angle of the cable from the ear clip to the neck clip so that no extra tension is placed on the ear clip Viewed from behind the final configuration should look similar to this A single channel setup is shown for clarity Note the position of the clip the direction of the cables and the slack left to provide mobility For two and four channel setups use a separate clip for each channel and for maximum stability attach the clip just above the sensor 2 526 User Manual 17 Software Overview This chapter provides you with a rapid overview of the main functions of the BioGraph Infiniti software Refer to the on line help manual for a more detailed description of all the functions and features of the program To open the on line help press the F1 function key on your keyboard from any dialog box in the program Because the on line help manual is designed to provide cont
15. duse omit debe vedo qu UE ee boss selon see aar E eera iu cu dica uos EE 35 gue ge lv siiis a Mis oie RIPE S EE E mM 35 GE He Mal fao pecie lU E ETE Et D T O Lm DENS I 36 rz giae Ecc e e T m mE 36 Vaning channel SOUS TEE CETT Lo o Sem 36 Suggested Usage SOBIIBIIDS ciierriceriseei viveret arai a FIVE CUENTA TOUUPI CUoP ea cU Ses L REEE EEE 39 cic qj MW Orc PR A 39 A c 40 PROVING RPEN ess usirsse dedtasaetedoi aede usiedesau E date oameuedecve bM aus uO Und eios ANM MUI NE deUE 41 inpr 41 lp r emer Y 41 OREN SESSION ASSCSSINGI 43 POT GT CAn leri cie fi a ete csc sence clients vena t m cmm 44 Assessmell SCLC 1S face secs sacacenssnct sonsedniacaischdd RA E Geonscaaianassandescdeaeasdedaaaisshdsonsosacuatdses a epi edad tuu colin M tei Mi USUAL 44 Dc 45 Tramino SOE d cH NET To t E tern tr ty Oe cne ct cor T eee errr ete eee 46 aiz qig 49 mis 970 I 61 ci NEN QE EDO m 50 Specdincations and SUDDO
16. encoder or sensor connection the recording screen will open con Note _ f this is the first time you are recording a session at this point the system will prompt you to enter key codes See page 4 for more details 7 Start recording by clicking on the Start button in the toolbar Starting a script session Select Start Script Session from the Main Menu screen This opens the Start Session screen where you go through the process of selecting a client file and script setting up session parameters and launching recording mode tart eron Check your prel erences dich encoder ON and cid Stat Cheri Carrier Voll Ice DN Cnet BD Dee aid Tires terit Dan og Descrip SIGN UM NEHME Lacon 6 Baere Tua 0 SNPS PM Lacwekarn OON Scrigk Description D nmond Fond J Icone 6 assessment eyes closed Faria Dena 2 SS PES View Heyes Ponda 0 Shrek Lae 4 Dexoripteori Cabegony Date Mad Bieten 2 00 index s on amp b 11 209 Sep Petite Jutfach cabrio Tim fi 1 11 2013 Sone enais end of aot forone b 14117203 Sort Inatruchord eyes Chena t ne b Lilia Sort ranie Inkeiekackian Fun f 1 11 2013 zt inedia Channel Set Configuration Add New Chen ar eer M aerem Start Session To record with a new script 1 Select an existing Client 2 Optionally select a previously recorded script session from the Sessions list 3 Click one of the following New Script options Score 6 User Manval 19
17. for sensors that are not defined in the channel set Note If there are sensor connection problems in addition to extra sensors this information won t appear as a separate message It will display in the Sensor Connections window If you have connected wrong sensor types you will see Sensor Connections th e Se nso r Co nn ect i 0 ns wi n d OW Al th e sensors th at Physical Channel Set of 1 ProComp Infiniti encoders with ProComp Infiniti Communication Protocol a re expected wi be isted i n the Expe cted Senso r Channel Description Expected Sensor Wrong Sensor Type Replacement Signal Value CO umn 1C C Electrode 1 EEG Z 1D D Electrode 2 EEG Z g 1E E Electrode 3 EEG Z EKG Pro Flex The Wrong Sensor Type column shows which sensor 1F F Electrode 4 EEG Z Sensor is not detected 1 1B not in Channel Set MyoScan Flex type was actually detected You can remove the wrong sensor or replace it with the right one Click Repeat to check the sensor connections again until the system no longer detects a wrong sensor type The program will not allow you to record a session with the ode MEISEEEER a wrong sensors Channels that are not included in the selected Channel Set will not be recorded Note Ifthe Wrong Sensor Type column is empty the correct sensor has been connected If you do not connect all the sensors that are required for the selected channel set the message Sensor is not detected appears in the Wrong Senso
18. metrics and some include standard EEG amplitude data as well e Artifact rejection These screens can be used to review recorded data for removal of artifacts Rejected segments will exclude the data they contain from computations such as full session means and other statistics These screens can also be used to refine the real time artifact rejection performed using the values set in the artifact calibration screen and if relevant to edit automatically rejected data segments created by the Review Mode Automatic Rejection Settings feature described on page 25 e Report screens Report screens are designed to facilitate session reviewing and for generating session reports They include full session means for certain metrics as well as trend graphs of epoch means e Instruction amp Script These screens are used as part of the assessment and training scripts Scripts The Z score 6 suite includes 4 assessment scripts that can be used to obtain 2 minute baseline recordings of all z scores Two scripts are designed for 2 channel configuration and two for 4 channel configuration For each configuration one script measures the Closed Eyes condition and the other script the Opened Eyes condition Connect the electrodes in the configuration 2 channel see page 11 or 4 channel page 12 required for the assessment e Connect sensors to the encoder as follows Inpu ProComp Infiniti 4 channel EEG Z EEG Z EEGZ EEG Z ProComp Infini
19. the session Infiniti Software System Do you want to review replay thi session now You have the option to analyze the session data at this point You can switch to review mode or replay mode After you review the data and close the viewing screen the program displays the next message prompt Tes switrh to Replaying mode Record another session with the same settings Infiniti Software System as lf you selected No at the previous message the Do you want to record another session for due same chent with program asks if you want to record another session EA the same configuration with the same settings e f you select Yes at this point the recording screen L Yes No will reopen Turn off your encoder Infiniti Software System If you selected No at the previous message the program prompts you to Aih Remember to tum your encoderts off turn your encoder off Click OK to return to the Main Menu screen You can also manually stop recording a script session by clicking the Stop button C In this case you are prompted to confirm the command x If yOU select No the script continues recording normally The Script is not finished Session data will not be saved Do you want to stop recording If you select Yes no data is saved for the session and you are prompted to record another session with the same settings message 4 above Yes No Sco O User Manv
20. 6 39 a5 1254 T Eon FPES bera AT ar 53 18 12 5 2 aor Drog samiot pores bor ail She way south abr ic cobran da paarkoa mean Viccrreda d Arqunecan dach eim bna Thema Alpis nas pura Veaciods 8 Amplitaser epoch rums Ke lata Esca Piera D aces Boca Y Li ir Ditko 3 Apisai epic ries B Meta Den 8 Dein 2 oe Beta 3 IE 7 l 7 r i X r r re es 0o ee 1 i 1 a 1 1 T a 11 Tor arcc iba ach uian me Pci Viris Chae Seukrgx suci V 150 ore iaa dasked duration af iur chick awe Chacun rer iane BWH LER I DOT ES ER Report screen loaded in BioGraph Infiniti 566 User Manual 29 Tool Bar Options While recording replaying or reviewing an open display session there are certain options that are available on a tool bar found near the top of the display screen To learn more about the tool bar refer to the online help by pressing F1 Toggling between screens If you have chosen more than one screen you can view each one by clicking on the numerical buttons on the toolbar at the top Up to five screens can be viewed in the example below there are four where the third screen is currently on display 1 2 3 4 Adjusting scales and threshold By clicking on a graph instrument you can enable any of the scale and threshold options on the toolbar shown below XI Min O gt Max 100 Thr 10 Thre 20 ah EN eee Report Connectivity Z scc Delta Theta Amplitude whole Elec 1 Session means
21. 7 Click OK to accept the modifications and return to Edit Channel Settings Optionally you can select another Index channel from the list of Virtual Channels and modify its settings in the same manner 8 Click OK to return to the recording screen 9 Click the Pause button to resume recording the session heer Canned tet etip he Cuarer Cheat H OF Gad Char ine Sereda For neni iri Hae Goer scree Dey nun FOE Ere dred riw ex virtud Chara de rect am Pier Diao Tascam Gave Creare Bega then Sana comm te cone crates Edit Channel Set Settings for Current Client Z score index virtual channel 2 channel configuration Tet Al Ces NeuroGuide Processing Settings Default selection for 2 channel Powers index Default limits of the threshold range for the index are 2 and 2 These values can be modified while recording is active 1 Place the cursor over the Index limits and click on the right mouse button This opens the Computation Limits box 2 Enter new values for the upper and lower limits of the threshold range and click Apply The Low Threshold can accept values from 20 to 0 and the High Threshold can accept values from 0 to 20 3 Click Close to return to the recording screen 2 Score6 User Manval T score index session mean f score index Low 2 0 ETE Computation Limits Low Threshold High Threshald Apply 38 Single Z score item selection Single z score traini
22. E Du REGN eee VT TEF P xg L com n xz drcum Training Z score index Animation 2 monitors This is the two monitor version of the z score index animation screen described above The same functionality is spread over a dual monitor display to allow feedback to be displayed to the subject independently of the control items of the screen Z 5 re6 User Manual 46 n ecm Serre Deomp J ast mee derma aaa Me eee fee P tom mA an te hm tis es BS gt we ne pa te os T Training Z score Powers index Animation This screen provides animation feedback related to the Z score Powers index Bar graph provides color feedback red below threshold pink above animation cycles and green light goes on with success otherwise it remains off index below threshold and or artifact rejection on and artifacts present Epoch means of z score powers index are trended Range settings for z score powers index are available via settings instrument The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and artifact rejection can be turned on or off in the lower left corner of the screen for each electrode independently Training Z score index Power Ratios Animation This screen provides animation feedback related to Z score Power Ratios index Bar graph provides color feedback red below threshold light blue above animation cycles a
23. ET oov csescesscdesceescseccescsecsceusccnscescceeccssccasesevsctessessdascceescseccssececeseess DE Hardware SDCCIMNC ANION S iutinit iiit deti N opa Ud iiu iode o solides icti Ni AAEE 52 PAGING ON COU m 52 E eripe ecillejoro Mc P 52 KATARE U h n o E 53 aiziteylisisze ies dig L 53 Repair Return ir ON c e 54 5 66 User Manval V Scars 6 User Manual Introduction Welcome to the user manual for Z score 6 suite This manual provides information intended to help you get the most out of your system The manual is organized into chapters as follows Installation and System Requirements lists the computer and software requirements recommended for running the BioGraph Infiniti software and the Z score 6 suite First Time Run explains how to start the software and verify its settings prior to using it for the first time Hardware Setup provides general information about the encoder sensors and accessories included with the system It also shows how to connect the hardware elements Software Overview introduces the main functions of the
24. Elec 2 ec ec 15 sec Z score Connectivity 1 s E Drag sess 45 index session mean e Vertical scale The minimum and maximum scale values can be changed by clicking on the spinner arrows on the boxes labeled Max and Min The numbers increase or decrease by 0 1 but when you click on the button x10 the numbers change by 1 You can also type the desired value into the box and then click anywhere on the screen to save the change e Multi line graph Y1 and Y2 axes toggle The multiple line graph has a left and a right vertical scale that can be adjusted independently of each other by clicking on the toggle button E Left vertical scale enabled E Right vertical scale enabled e Threshold The threshold line on a bar graph line graph and animation scale can be adjusted in the same way as the vertical scale The spinner box labeled Thr1 is for single threshold graphs or for the first threshold on graphs defined with dual thresholds while Thr2 is for the second threshold e Time scale The default time for all the screens is 30 seconds You can select a new time scale by clicking on the drop down menu Impedance Check Before recording a z score session it is essential to check impedance values for all EEG channels These values indicate the quality of contact between the electrodes and the skin You do this in the BioGraph Infiniti recording screen before starting to run the protocol Because of differences between t
25. M code 9 When done click OK e sad Note Even if you are using more than one encoder you need to enter only one Application Key Code If the key codes have been entered properly and there is no problem with your encoder setup or your sensor connections the recording screen will open ZZ core 6 User Manval Hardware Setup Before you can start recording a session you have to set up your hardware The following section describes how to connect a FlexComp Infiniti encoder but the process is similar when using other encoders For more information on using your particular encoder please refer to the device s hardware manual The Encoder Connecting TT USB and the encoder HexComp Infiniti Enrmder wi ee uu Ao iif US cable i Fiber apti galihe Unconnected hardware components Insert one end of the fiber optic cable carefully into the fiber optic port on the encoder Tighten the nut gently so that the cable won t slip out Do the same with the other end of the fiber optic cable and the fiber optic port of the TT USB interface unit Insert the small connector of the USB cable into the USB port on the TT USB interface device Insert the large connector of the USB cable into the USB port of your PC 2 530 6 User Manual 6 Connected hardware components USB ports on a PC are generally located at the back of the base unit You may also find a USB port at the front of yo
26. New Session and when the Script Database opens follow the remaining steps to record with a new script Starting an open display session Select Start Open Display Session from the Main Menu screen This opens the Start Session screen where you go through the process of selecting a client file and channel set setting up session parameters and launching recording mode Quarks Def agit Settings To record a new session Late dvd Tani E Chii you prele anoei paeh encoded OM ard chek Sat Snes Ghar Set Denig Chira lat Dusi Deseripn s Tarra B shy 2142003 4 00 23 PM e Gen 0I 15 Screens y Pibur Vii Assessmesk 2 5ocee index Tr srang Z bon amp ide Animalion 1 monar Keep Virtual Channel Gethinge T Dakt hii erii Channel Set Configuration Aude Hra Cherng Define Mew Session Start Session 1 Create a new client as described above or select an existing client from the list 2 Select Define New Session to open the window The Select up to 5 Screens for Open Display Mode window opens Select up to 5 Screens for Open Daplay mode Select a Channel Set and up bo S screens Turn encoder o OH and ck OC Seiert an Encncker Cremmninacabinn Probnonl Procomp Infiniti Channel Set Cabegory todd b Er c mp inn Channel Set Dengin Dae Meir scone 6 ch LLfEA 20d E bed Pi Channel Set Coefigur ation Select a Channel Set and then a Screen Cobegory oho all cabsgories Aree PRES
27. a ben MIR TL Det pid en F rev TIBET i i d T a i 1 wy 7 l L EEEE J SCHOOCR A N ee OL AE A Amp E 107 S Leet tee o eins cmt k i reir 138 a 1 ri a i i J a q n u 1 a t3 MATIIS qd Se AMBIEN Sa EDS N GEI C DTE PUDE T J Nl I 1 iu ron t 1 1 mese nne Da 1 3 V Pe COSAS a ABE ODE MPH METUS ETUR Hsec 2 lir Mia Ten Pater jas emi ies Reda Miis nde Pond ETTWA a Se ee MAR T E BADEN Aus E nos FUOD impri Bali on Poem mmCN Soares HiP mdp Bln mil in EH EAM 14 1402 den 157 23 PIPER Fat Hit ties Demp nauim ta rA kar a Phr mey bn Fr raphi bahian oy 11 emmim mmn Tic esis d Tarua aiima betg Tees pahe ipa oi o folgil dome ies s oia Tp panh a CR a Ting Poot Epi Fano Das a Di cim fma DL p LL pa eda ee e ete ikask ae ees Pete die csl le Dp aces SEEM Be be Beas asas zrum s CS rar o pl nd eel lemen imr ei Logon iet iba ay ac Auc era a ie tg nd inda Feel Bertin F Mane bieiin oi ied imm reo Ds Flea Pia anl Fa Li i u i i i L F Ta Fg De ch L e Laie Fired d aswy Jane jalh WP Pl antes rep ed a gue pm cd ae Cree Ope aam ETE EN 50 Report Z score index with EEG amplitudes This report screen includes trends of epoch means for omi am s gt aSo ie all EEG amplitudes all 8 bands both channels and PRCA KR e AA their digital display as well as session mean of z score index Z score index epoch means are also included on a trend graph
28. ach check box in this window represents all the bands or band ratios for the particular metric and An ieee location pair For example Absolute Power Location 1 includes the absolute power z scores for all 8 frequency bands of the signal measured by electrode 1 4 a emm Lodi DII NeuroGuide Processing Settings window Both the threshold range and the combination of z scores making up the index can be modified while a session is being recorded Recording must be paused in order to change the z scores used to compute the index The threshold range can be modified while recording is active see page 38 The NeuroGuide Processing Settings window is accessed through Edit Channel Set Settings for Current Client 1 Click the Pause button I on the toolbar This pauses the recording 2 Place the cursor over the Index bar graph and click on the right mouse button 3 From the right click menu select Edit Virtual Channel Settings Scars 6 User Manval Show connected channels Edit Virtual Channel S Edit Instrument Settings Edit Instrument Sounel Output ON 37 4 When Edit Channel Set Settings for Current Client opens the Index channel is selected by default 5 Click the Algorithm Settings button to open the NeuroGuide Processing Settings box 6 Select and clear check boxes to create the combination of z scores all bands and band ratios that you want to include in the index
29. act your local authorized distributor Technical Support Outside USA Tel 1 514 489 8251 Fax 1 514 489 8255 In USA Toll Free Tel 1 800 361 3651 E Mail techsupport thoughttechnolo Or contact your local authorized distributor Z Score 6 User Manval 37mm x 37mm x 12mm 1 45 x 1 45 x 0 45 25g 102 10GO in parallel with 10pF 0 200uV lt 0 1uVRMS gt 130dB 2Hz 1kHz 0 3uVRMS 5 of reading 10 C to 40 C 52 Warranty The hardware encoder and sensors is guaranteed to be free from defects in material and workmanship for 1 year from the date of purchase In the unlikely event that repair is necessary contact Thought Technology Ltd to receive a Return Authorization number Then send the unit back by a traceable method Thought Technology will not be responsible for items not received We will repair or replace your unit s that are still under warranty free of charge This warranty does not apply to damage incurred through accident alteration or abuse This warranty does not cover damage to the Infiniti encoder or the EEG Z sensor caused by obvious mechanical mistreatment of the system Returning Equipment for Repair Before returning the equipment please contact first our service department and get an authorization number RA number S 2 Canada and International 1 514 489 8251 S 2 USA 1 800 361 3651 service thoughttechnology com Then fill in the return form the for
30. al 23 Replaying Sessions Replaying a session allows you to play back a recorded session like a movie This is useful if you have recorded video data You can replay the session from any point in time and skip to event markers or script activities and steps ili 2 3 4 9i 6 Select Database from the Main Menu screen In the Main Database window select the client whose session you want to replay Select the session from the right hand table Click on Replay Session at the bottom Main Database en Settings Opbons Tools Cherts Sessions Chere Opbons Session COpbors Add New Chere Edk Clerk Oota Delete Chentis Trend Report Delete Sessoms Season Notes Export Deka Review Report Replay Session C v Co os Restore Chartis Archive Chent s 1mp rt antis Export Chertis Coste per Import Sesoon Export Sessiords Nena AB F i Main Database The next step depends on whether you selected a Script session or an Open Display session to replay e f you selected a Script session the main frame screen opens in replaying mode e If you selected an Open Display session the window Review Replay Session Confirmation Review Replay Session Confirmation opens Channel Set Options Z score 6 2ch To replay the session using different screens from those used to Select Channel Set record it click Select Screens to open the Select Screens Get original channel set and scree
31. alogen or neon lights These devices should be turned off if they are not needed for the examination If the situation arises keep the instrumentation 10 feet away from radio transmitting devices and 3 feet away from electronic devices including monitors and fluorescent halogen or neon lights Disconnect all the unused sensors from the encoder If not connected to the examinee they may act as antennas and capture unwanted signals that would corrupt the signal being recorded Electrostatic discharges To prevent static discharge from damaging the sensor and or encoder use antistatic mats or sprays in your working area A humidifier may also be used to help prevent static environments by conditioning hot dry air Connecting the sensors When connecting a sensor to the encoder make sure to properly line up the guiding dot on the top of the plug with the notch in the device s input socket T aa acd iT del E01 LAE y p T i A L Guiding dot Forcing the plug into the jack in any other position may damage your equipment sc r User Manual 8 Correct orientation of sensors The EEG Flex Pro and EEG Z sensors have removable cables and two input Connect to electrodes entrances It is important to orient these sensors to the encoder correctly so that the physiological signal is properly received The EEG sensor is correctly oriented to the encoder when the cable joining them is connected to the bottom entrance o
32. amplitudes This screen provides animation feedback related to Z score index Bar graph provides color feedback red below threshold light blue above animation cycles with success otherwise it stops index below threshold Epoch means of z score index are trended Range settings for z score index are available via settings instrument EEG amplitudes bar graphs and epoch means trend graphs for 4 standard bands for both electrodes are also included 5 686 User Manual 48 Reporting e After a script session ends or after you click the Stop button L1 to end an open session a series of message prompts guides you through the process of saving data adding notes to the session file and switching to reviewing mode so that you can generate a session report A full explanation of this process is provided in Stopping a Session on page 22 Note Instructions for reviewing a session by accessing it from the database are provided on page 24 e After you switch to reviewing mode the system calculates session statistics from the data and loads screens for artifact rejection and reporting e To display statistics for the full session on the report screens drag the scroll bar to the extreme right uM 4 t m e To generate a session report in Microsoft Word do the following 1 If necessary either perform manual artifact rejection on the recorded data or if you have used the review mode auto rejection feature verify the a
33. arclip is connected to the black input of four sensors and individual blue cup electrodes are connected to their respective blue input on each sensor EEG electrode placement technique Proper site preparation and electrode placement are essential for clean trouble free recording of the EEG signal The following steps describe how to achieve a secure connection in an efficient repeatable way They should be followed closely every time EEG is recorded This may seem daunting at first but the technique is easily learned and the user will quickly become accustomed to it and will certainly appreciate the benefits Locate the required electrode site s For 1 channel EEG biofeedback protocols a common site to use is CZ This site is located prepared and fixed with an electrode in the example below For 2 channel protocols there will be two electrode sites for example C3 on the left and C4 on the right also shown below Similarly 4 channel protocols require placement of electrodes at four sites The actual electrode locations to be used will depend upon the z scores being assessed and trained Locate the inion On the posterior base of the skull where the spine meets the skull there is a small protrusion called the inion It can be found by running the finger up the spine towards the skull There is a small crevice between the spine and skull in which vertebrae can no longer be felt Just above that area the inion of the skull can b
34. ass B The Infiniti system is suitable for use in all CISPR 11 Ta eee oE establishments including domestic establishments IEC 61000 3 2 Not applicable and those directly connected to the public low Volt laciuaions tick voltage power supply network that supplies EC Mid cm Not applicable buildings used for domestic purposes Manual No SA7966 Revision 6 0 2 568 6 User Manval li TABLE OF CONTENTS Mirodil ee EER Installation and System Requirements cene eee ee e ee eee ee eroe ee eee eoe eo eososseseesessesessesesss 2 BION YOU BOON TTE mm m 2 aile fM 2 PARSE Tito RUN ioioooiiiiiou05 9099 1990023008590900990219825352205005391002995943158950003 909950000099 5008 0000009 82095049 54085098 D Staring the Progra Lee n cpi E SE Ee Ue labo deba aUo dota aUo soto ouo a edebat be REEL MI MIR D canoes E ED DUAE 3 EHternna eU C OC T A O A s ue deut 206 ceno caua es ubera A ui snos NAE A AE A A A 4 dpa The ENCOUET ete tt 6 Connecting TU 9B ana Ine enocoUBE scc oee icai a cla batte iced ness ns atictu ne coi trad ae en noses gas pend ost Dr oic aes Ere uM econ 6 BY DISEOITI e a d Snc Diis Cun cp SE COEUR EIN conte eM Ut M di M DIUI SIM MM IDE AMI DIE MDC NU td INE 7 Carnng for i
35. ave not used real time artifact rejection you will need to use one or both of these methods to remove artifacts If you have used real time artifact rejection you may want to refine the rejected data by using one or both methods Once artifact rejection segments have been placed where required you can generate statistics and print a session report Automatic rejection of artifacts In order to perform automatic rejection of artifacts you must define Review Mode Auto Rejection Settings They identify the artifact rejection method to use during review Depending on the signal types that your channel set includes and whether it includes the proper Boolean virtual channels you can use Boolean Rejection and Physical Channel Rejection Note Rejection Settings but you may choose to use it to refine real time artifact rejection if necessary 1 From the Edit menu select Review Mode Auto Rejection Settings 2 Select the check box Reject automatically when switching to Review Select a Rejection Type 4 Select a channel for auto rejection e If you selected Boolean Rejection select a Boolean state for rejection and click Set e If you selected Physical Channel Rejection enter a Rejection Threshold value and click Set 5 Click OK and then record the session C Sc reGy User Manual Review lads Auta a epee autora abe when vest ini H ieee Rean Tape tear hajati Fiica Channel epatis elect channels for
36. ces except through the fiber optic cable The PC used with the encoder must be placed outside the patient client environment more than 3 meters or 10 feet or the PC must comply with EN60601 1 1 system safety After use the disposable electrodes may be a potential biohazard Handle and when applicable dispose of these materials in accordance with accepted medical practice and any applicable local state and federal laws and regulations To diminish the risk of spreading communicable diseases always use good hygiene practices with reusable EMG electrodes particularly if abrasive substances are used In all cases refer to your facility s infection control procedure Do not use in the presence of a flammable anesthetic mixture with air or with Oxygen or Nitrous Oxide Not to be immersed in water Take care in arranging patient and sensor cables to avoid risk of patient entanglement or strangulation The operator is responsible for ensuring the safety of any devices controlled or triggered by Infiniti equipment or software or by any software or hardware receiving data from Infiniti equipment Infiniti equipment must not be configured or connected in such a way that failure in its data acquisition processing or control functions can trigger patient feedback stimulus that poses an unacceptable level of risk Use of any equipment in a biofeedback context should be immediately terminated upon any sign of treatment related distress or discomfor
37. d a Favorite session page 19 This is the preferred method for recording sessions e Start Open Display Session Click this option to record an unscripted session using your own selection of feedback screens page 21 e Start Script Session Click this option to record a script session page 19 1 Click Quick Start select a name from the Clients list and a protocol from the Favorites list and then click OK 2 The Encoder Key Codes dialog box opens 3 Click to highlight your unit s serial number in the left table in this example DA1002 this is the same number as on the back of the unit lencouer key Coder Select an encoder Serial Humber and enter a Koy Code for it Expected physical channel configuration ar a a m pm rh pos ii P dm bh F FlexComp Nm Enc cer Input Key Code Encoders ic ID Infiniti Serial ira E Ep The serial number is found on the back of the encoder 4 Enter the Encoder Key Code found inside the encoder battery compartment in the Key Code text box 5 Click to move the serial number from the left table to the right table The serial number should now appear in the Configuration Table 6 When done click OK 25 lt 226 User Manval 4 7 Now the Application Key Code dialog box opens Application Key Code i 8 Enterthe Application Key Code Enter the Application Key Code This number is found in the battery compartment with the encoder key T
38. d cup electrodes Color coded earclips Z Score 6 User Manual 10 Instructions for 1 channel EEG Connect the blue active electrode to the blue DIN cable input Connect the yellow ear clip to the yellow DIN cable input and the black earclip to the black DIN cable input The other end of the DIN cable plugs into the E input of the EEG Z sensor DIN cable Electrode cables Note The yellow cup electrode can replace the yellow ear clip for bipolar placement For two channel applications using two EEG Z sensors simultaneously the 2 channel connectivity kit is used T8760 2 channel connectivity kit Y splitters needed for 2 channel placement Extra cables used for linked ear reference Instructions for 2 channel EEG Using two T8750 packages start by connecting the blue active leads to the blue sockets in the DIN cables Take 1 y splitter of each type from the T8760 package Connect the single output connector of B to the single electrode connector of A 1M2F y splitter A Note There are two of A in the kit and only one of B RT d Connect a yellow earclip to each electrode connector of B The completed linked ears reference is shown below 2M1F y splitter B Z Score 6 User Manval 11 Connect the black earclip to the single electrode connector of the remaining y splitter Same as A above Connect the output connectors of the y splitter to the black inputs in the DIN cables as
39. data during recording and before it is used to calculate feedback When this artifact rejection is enabled when raw EEG values go over or under specified limits the feedback calculation is paused until the values return within the valid range This results in real time artifact rejection which affects screen activity feedback and statistical calculation During review and analysis of a recorded session artifacts recorded with raw data can skew the resulting statistics BioGraph Infiniti provides automatic and manual methods for rejecting signal artifacts prior to statistical calculation Real time artifact rejection Z Score 6 suite provides this method for handling artifacts in real time At the start of session recording the artifact calibration screen described more fully on page 44 is used to set the rejection limits The screen includes instructions on how to do this The function also can be toggled on or off if you prefer to reject artifacts only in review mode or if you have trouble finding thresholds that work well for a given client and again the screen includes the necessary instructions Recording screens show two signal traces raw EEG and artifacted EEG Each time that the raw EEG signal value exceeds the rejection limits the artifacted EEG trace displays the last good EEG signal value This displays as a flat line until the raw EEG signal value returns within the rejection limits To ensure that feedback and statistics are
40. dex are available via settings instrument The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and artifact rejection can be turned on or off in the lower left corner of the screen for each electrode independently kai TY cili i ur poma p nn Ta mcippa ar ayer LH anta Fem Pur Pul Pe ee eee a VR ESI MEL LL bl ibi LEEREN I Training Single Z score Animation This screen provides animation feedback related to a single Z score metric The animation responds to the z score value 0 is middle 5 and 5 are edges The metric can be changed on the fly user instructions are described on screen The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and artifact rejection can be turned on or off in the lower left corner of the screen for each electrode independently Training Single Z score Audio This screen provides audio feedback related to a single rectified Z score metric The volume is to be as loud as possible when the metric is close to zero and it fades away the further metric is away from zero The metric can be changed on the fly user instructions are described onscreen The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and artifact rejection can be turned on or off in the lower left corner of the screen for each electrode independently Training Z scores with EEG
41. e found Locate the nasion The depression on the bridge of the nose just below the brow and directly between both eyes is called the nasion Z Score 6 User Manval 13 The line between these two points runs along the interhemispheric fissure of the brain the space that separates the left and right sides of the brain i e right down the middle Mark a spot located at 50 of the distance between the nasion and the inion Locate the mandibular notch Anatomy revisited To locate the mandibular notch place a finger against the tragus just anterior to the ear and ask the subject to open their mouth Your finger should find its way into a cavity resting superior to the mandibular notch Find this spot on both sides of the head The line that connects the left and right mandibular notches runs along the central sulcus of the brain the space that separates the frontal and parietal lobes Mark a spot located at 50 of the distance between the left and right mandibular notches It should intersect directly with the mark made between the front and back of the head The intersection of these two lines is electrode location CZ also sometimes referred to as the vertex Front Back Along the line between the mandibular notches 20 of the total distance towards the left is location C3 20 towards the right is location C4 for example The remaining sites are found in a similar way 566 User Manva
42. e index This screen provides instantaneous values of all 4 z score indices as well as epoch and full session means for each Range settings for each index are available via settings instrument The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and the artifact toggle can be managed using setting instruments one for each Electrode 60 User Manval 44 Training Connect the electrodes in the configuration 2 channel see page 11 or 4 channel page 12 required for the training e Connect sensors to the encoder as follows Inpu AN e o E r m 0 e urnthe encoder on 1 Click Quick Start 2 From Categories select the Z score 6 for your Categories encoder Zscore 6 PraComp Infiniti 3 From Clients select a name Clients Full Mame ID Number Clinic ID Ballance Tara 1 Dorimand Florian 3 Keves Florida B8 Shares Lajolla 4 4 From Favorites select the desired Z score training Favorite protocol 5 Click OK Description ech Z score 6 assessment open session Note When BioGraph Infiniti is not open you can also 5 score 6 assessment script eyes closed run a Favorite from your computer desktop by double clicking its icon in the program group Zscore 5 index training 1 1 monitor b zch Z score 6 index training 1 2 monitors ech Z score 6 index training 2 1 monitor ech Z score 6 assessm
43. e should be taken to keep the hair parted and to keep track of the site after wiping clean Helpful trick A small amount of Ten20 Conductive paste should be smeared on the newly prepared site This has the combined effect of keeping track of the site keeping the hair neatly out of the way and acting as a landing pad for the electrode once it is ready to fix Prepare the electrodes Start by securing the electrode cables to the patient Helpful trick Loop the three electrode cables around the plastic clip provided with the EEG Z sensor Attach the clip to the back of the shirt collar as shown below Keep the heavy DIN cable and EEG Z sensor underneath the clip and the light electrode cables above it Electrode cables Plastic clip set at a 90 degree angle for best placement DIN cable attached to EEG Z sensor not shown Fill the electrode cup with Ten20 conductive paste so that no air bubbles exist in the cup Add more Ten20 paste onto the cup electrode just enough to form a ball on the cup not so much that it spills over the edge Shown is the ideal amount of i a Place the cup face down on the landing pad previously prepared Gently push the electrode down to fix it to the scalp A little bit of paste should run out along the edge of the cup to form a thin ring around it Helpful trick Place the electrode so that the direction of the cable does not place undue stress on the
44. echnology software applications will display a battery power indicator we recommend that you replace the batteries as soon as this indicator falls below about 5096 of the battery power Caring for the fiber optic cable A fiber optic FO cable is used for transmitting the sensor data to the computer Although this technology provides maximal electrical isolation signal fidelity and freedom of movement some care has to be taken when handling the fiber optic cable as it is much less flexible than a regular electric wire Be careful not to bend it sharply or wind it in a loop smaller than 4 inches in diameter 2 530 6 User Manual 7 Electromagnetic electrical interference When performing a biofeedback session it is best to avoid placing the encoder near the computer display monitor or any other electrical device where it can be exposed to electromagnetic fields Sensors and Accessories The instrumentation system includes a group of sensors used for the various protocols Before a session can be recorded the correct sensors must be connected to the encoder Electromagnetic interferences The EEG sensors are capable of detecting very tiny electrical signals millionths of a Volt generated by muscle activity Therefore they are very sensitive to electromagnetic fields generated by other devices in the exam room such as radio transmitting devices computer monitors medical devices for example x ray machines and fluorescent h
45. ecording 1 C NG Beta 3 amplitude mean 38 01 Rernrdinn 1 D NG Reta 3 amnlitiide mean 51 37 7 Rejection Durations Activity Activity Description Activity Duration Channel Channel Description Rejection Durations Rejection Durations 9 5 2 Recording 120 00 00 00 00 00 0 00 Note This is the Statistics window for a script session The Statistics window for an open display session is similar but does not display a list of rejection durations for individual activities 2 532 6 User Manval 27 Generating session reports In review mode BioGraph Infiniti 6 0 can generate two types of session report Excel reports have been predefined and customized especially for a given suite An Excel report transfers session statistics from the session data file into a Microsoft Excel workbook and subjects them to further analysis Excel reports can be saved or printed using the Excel functions Note The analytical complexity provided by Excel reports is not required for the Z score 6 suite and no such reports are included Text reports include general information about the session as well as optional information Session notes Statistics markers that you select A text report can be generated from any screen which includes line graphs or trend graphs Text reports are generated from Microsoft Word templates and can be saved or printed using the Word functions Text reports are preferred for open display sessions but they can also be generated for
46. ect Preferences from the Tools menu in the Main Menu Screen In Notch Filters select the EEG Signal type and set Frequency to 50Hz or 60Hz depending on the transmission frequency used in your country 60Hz for North America for instance Then click OK Preferences General Notifications Achanced Temperature Units a Cebius Fahrenheit Forb Linits 2 530 6 User Manual 3 Confidential Setting Optionally enable the Confidential setting This helps protect the privacy of your clients by masking their names in the client database e Click Database to open the Main Database window Main Database From the Settings menu select Confidential The check mark indicates that the _ Sets Options Tool setting is enabled Inactivity Period v Confidential e f you need to disable the Confidential setting repeat these steps to remove the Clinic Label k check mark i Clients Clients Fu Harng Balance Tara FUE Maurer Dorimond Florian Florimond Dorian Keyes Florida Shores Lajolla With the Confidential setting disabled With the Confidential setting enabled Entering Key Codes The first time you start to record a session with BioGraph Infiniti the software will check for the key codes and ask you to enter them There are three ways to start recording a session They are described fully in the chapter Software Overview beginning on page 18 e Quick Start Click this option to recor
47. ent script eyes open 6 If necessary do one of the following o Modify settings for the z score index see page 37 o Selecta z score metric as a training focus see page 39 e Click the Start button l If you have chosen more than one screen you can view each one by clicking on the numerical buttons on the toolbar at the top Up to five screens can be viewed in the example below there are four where the third screen is currently on display 1 2 3 4 e To stop the session click the Stop button L1 Z Score 6 User Manval 45 Training screens Training Z score index DVD 1 monitor Germ en amd nm er rn cui B inen mE iE k d per L ea me B oes IL TB ILI MEM m I pu This screen provides DVD feedback related to z score index Bar graph provides color feedback red below threshold light blue above and DVD grows with reward shrinks otherwise index below threshold and or artifact rejection on and artifacts present Epoch means of z score index are trended Range settings for z score index are available via settings instrument The two red LEDs on the screen will indicate the presence of NELLE Lm artifacts eye movement EMG noise and artifact MN MON ol l0 NAM rejection can be turned on or off in the lower left corner of the screen for each electrode independently Va mcdega Ar apri es PER Pu malle FETA ROR Feb DER Rr WAS En a m Rl Thama Ur imam danseur E dirum Maree enor Bor c sar pa
48. essible by clicking the Quick Start button are the simplest way to start a z score recording session The usage scenarios that follow refer to the descriptions of the appropriate Favorites However you can define session settings and run the session manually if you prefer See page 19 for information about running a Script session and page 21 for information about running an Open Display session These scenarios are suggested guidelines for the use of the Z score 6 suite elements scripts screens reports They are not clinical strategies and are not intended to serve as detailed clinical procedures Assessment You can perform an assessment by running a script or an open session The script definition controls the screens that are displayed and script duration is exactly 2 minutes long If you want a more flexible assessment such as a variable length run an open session Script e Run one or both of the 2 minute assessment script Favorites Z score 6 assessment script eyes open and Z score 6 assessment script eyes closed e Configure the suite s real time artifact rejection with the Artifact Calibration screen or toggle 0 to turn it off e After the script ends the Favorite automatically loads the artifact rejection and report screens and switches to review mode e Real time artifact rejection displays as flat sections on the Artifacted EEG screen graphs in the Artifact Rejection screen f necessary use manual o
49. eta band ratios The bottom row contains the power ratio for the Beta H Beta band ratio 1 C3 C Artifacted EEG Absolute Power ABS and Relative Power REL for each channel are tabulated to the right by frequency band Amplitude Asymmetry ASY Coherence COH and Phase Difference PHA for each channel pair are tabulated to the right by frequency band Channel pairs are identified as 1 2 for 2 channels and 1 2 1 3 1 4 2 3 2 4 and 3 4 for 4 channels 1 C3 C Artifacted EEG 12 13 14 ASY COH PHA ASY COH PHA ASY COH PHA Right click menu options Place the cursor over the Z Score Instrument and click the right mouse button to access these options Show connected channel s e Select Show connected channel s to list the virtual channel connected to the Edit Virtual Channel Settings N Z Score Instrument Hide Instrument e Select Edit Virtual Channel Settings to open Edit Channel Set Settings for Recording and Replaying Current Client where you can modify the Z score settings Eyes Open or Eyes Closed Electrode Location e Select Edit Instrument Settings to open the Instrument Settings window where you can modify the upper and lower threshold values When recording a session modify instrument thresholds from the Tool Bar Show connected channel s Edit Virtual Channel Settings N Edit Instrument Settings e Select Hide Instrument to temporarily hide the instrument To unhide a hidden Hide Ins
50. eview mode and Excel report options Favorites simplify and standardize the process of recording and reviewing sessions The Z score 6 suite includes a Favorite for every protocol You find them listed in the Favorites table when you click the Quick Start button on the main BioGraph screen To start a session from a Favorite RU S 1 Click the Quick Start button on the main screen e ey Balac Tara Fasten i 1 2 Optionally click Add New Client in the Client Data screen enter at least the person s first and last name and click OK 3 Select a name from the list of Clients Manihi Teh Z scone MaE open N iran Laks 4 Sth Ze annie ril imis cried dih Toto iz Seren xerip irme ops eh s T a f fader Eran 1 E a Vh eiaa index trains 1 Zinonitont ch Z zcone index training Z monibor Zrh Zone index training 2 Z monitors Idh Z mone go grege z 2cone bingy and amplitudes Ach Deae 6 ERRE open semnion 4 Choose Z score 6 ProComp Infiniti or another th Fari sacan ree kte encoder from the Categories list Only favorites Aeh Pacire ene tru 1 tet Ach Z 5c208 b dii training 1 Z moniborr ch Jabra b index maia 2 Linonibr ach Z score amp index tree 2 Z monitors dch Z ncone amp sire pacers Er irn andi arnplit des belonging to the selected category will display 5 Select a Favorite from the list 6 Click OK If there is no problem with your
51. extual information it will automatically open at the section that discusses the dialog box from which the help was called The information in this chapter is of a general nature Each protocol chapter explains how to record review and report upon data using that particular protocol Client Database The Z score 6 suite requires the client s date of birth in order to correctly compute z scores You may need to add this information to existing client files and you must include it when you create new ones If the client s date of birth is missing when you try to record a session you will get an error message You will have to modify the client file before you can proceed Client files are created or modified from the Main Database window You open this window by clicking the Database button in the main menu screen 1 Tocreate a new client file click Add New Client This opens the Client Data screen where you enter information about the client Minimum required information is the client s First Name Last Name and Date of Birth 2 To modify an existing client file select the name of the client from the Clients list and click Edit Client Data This opens the Client Data screen so you can add the client s date of birth to the information already in the file Recording Sessions lent Cpbona Aiia there dt Chere ua Cakety Chindia Loon pw nM Cardia i rat Chii ET EM LI With the BioGraph Infiniti software
52. f the sensor The extender cable with electrodes should be connected to the top entrance of the EEG sensor Connect to encoder EEG Z Sensor P N SA9305M The following is an overview of the EEG sensors and electrodes used with the system for Z score assessment and training The EEG Z is a preamplified electroencephalograph sensor with built in impedance sensing capabilities This sensor can be toggled to record regular EEG or monitor skin impedance both the reactive and resistive elements to help optimize electrode hookup Used for e Assessment e EEG biofeedback Note 7he EEG Flex Pro sensor can also be used with this suite but the EEG Z is recommended because of its ability to measure impedance Each EEG Z sensor comes with a monopolar bipolar electrode kit shown Other electrode kits are also available separately Note 7o perform 2 channel and 4 channel Z score biofeedback most efficiently the multi channel connectivity kits are recommended T8760 2 channel connectivity kit 18761 4 channel connectivity kit These kits also include the necessary cables for linked ears reference which is required for z score biofeedback Monopolar bipolar electrode kit T8750 Z Score 6 User Manval 9 Connecting and placing EEG Z sensors 10 20 electrode placement system The ten twenty 10 20 electrode system of the International Federation is the standard for electrode placement It is used to place surface EEG e
53. he ProComp2 encoder and the Infiniti encoders different procedures are used for checking impedance for the two types of encoders ProComp Infiniti ProComp5 Infiniti and FlexComp Infiniti encoder 1 Connect the EEG extender cables to the EEG Z sensors and connect the sensors to the correct encoder inputs for the protocol 2 Place the electrodes on the client turn on the encoder start BioGraph Infiniti and start the session Do not start recording 5 66 User Manual 30 3 From the Hardware menu of the Recording Screen select Impedance Check Battery Level This opens the Impedance Check window e N 4 Trigger impedance checking from your Infiniti encoder Zeraina To do this e Ensure that the encoder s power light is on e Press and hold down the power button for about 3 seconds or until the power light starts blinking When the power light begins to blink impedance checking mode is active and the window displays impedance values Impedance Check window on page 32 explains how to read impedance values 5 As necessary adjust electrodes on the client until you are satisfied with the displayed values 6 To exit impedance checking mode press the power button and hold it down for about 3 seconds or until the power light stops blinking After you have checked impedance for all inputs you can start recording the session Important When checking impedance for EEG Z sensors that are c
54. he fiber optic Gable PN mmm 7 Electromagnetic electrical inttr 8 MOENSOFS aNd ECCS SOMOS RENTE OT TETTE ED EO LTD EDD 8 Electromagnelie Imene enG S ciencias Ing oE pao XXE rae d ROS hid aru V TUN ET Cc ks Sum PA d CI a o DU MIU ERE MENU UE a EUE 8 m s edge lied el ear I ois PRENNE E RERO m Ed 8 Connecing R3 coU T E TRE 8 Grol d 16 Mo TO UTIO ETSI ro E TTE Tm 9 E Z i emimi ccs 9 Connecurig and placing EE GHZ Sensor S usse dedeunsod eue gbne street evucioao tese aa el tb idest eld eo bU imd risu p i EEE EEEE cendi NE 10 10 20 electrode placement yS leM 4a sucxvxxevkoa vuv rkEF RENEE NEU E a EAEE ESAE Yr TM NRI V ra E ERARETO ARE aU CERA 10 mzti te c 10 muex eesNee uaeiiU C 13 Software Overview eee eee ee eee eee ee ee eee ee eese eee se ese seeseseeseseesesseseeseseeseseesesseseeseeeeseeceseeseses IO TN A AD AS c S 18 Recording LIPe RETI TUT ET a EE eE 18 SAI 39 cele rz d NR TEE TET NN eer ee 18 Starting a session ITO Ruhm 19 SUL Re ES 9 Rie AE A A ee E T 19 Slaring an gapen display SeSsiOli c etadiosicmbsadea E E E eee ane eeu eee errs 21 SSO TMI UI ONS
55. he z score deviations of the following metrics from the NeuroGuide normative database e 6 metrics Relative Power REL Absolute Power ABS Coherence COH Phase PHA Amplitude Asymmetry ASY and Power Ratios e computed for 8 bands Delta Theta Aloha Beta High Beta H Beta Beta 1 Beta 2 Beta 3 e and 10 band ratios Delta Theta Delta Alpha Delta Beta Delta High Beta Theta Alpha Theta Beta Theta High Beta Alpha Beta Alpha High Beta Beta High Beta This results in 76 different output values for two channels of EEG and 248 for 4 channels 1 C3 C Artifacted EEG IH Beta Beta Alpha Theta 2 C4 D Artifacted EEG IH Beta Beta Alpha Theta Z Score Screen instrument showing values for 2 EEG channels This suite will allow the user to perform assessment and training with these variables in two ways using the z score value itself or using a metric called the z score index which is indicative of the state of a group of Z scores The z score index tells us at a given moment how many of a preselected group of z scores are within a certain threshold range This threshold range is user definable and can be modified on the fly The user also has the choice of which z scores to include and can do so easily at any time during the session 2 527806 User Manval 33 The Z score 6 suite includes 4 preset z score indices These are e z score index includes all z scores e z score powers index includes onl
56. ill end Then a series of message prompts guides you through the process of saving data adding notes to the session file and switching to reviewing mode so that you can generate a session report A full explanation of this process is provided in Stopping a Session on page 22 e After you switch to reviewing mode the system calculates session statistics from the data and loads screens for artifact rejection and reporting e Todisplay statistics for the full session drag the scroll bar to the extreme right 5 sec 4 j 7 Scars 6 User Manual 42 Open Session Assessment Connect the electrodes in the configuration 2 channel see page 11 or 4 channel page 12 required for the assessment e Connect sensors to the encoder as follows Inpu E e p fje F ProComp Infiniti 4 channel EEG Z EEG Z EEGZ EEG Z ProComp Infiniti 2 channel EEG Z EEGZ uM ProComp5 Infiniti EEG Z EEG Z m e urnthe encoder on 1 Click Quick Start 2 From Categories select the Z score 6 for your Categories encoder Z score 6 Procomp Infiniti ha 3 From Clients select a name Clients Full Mame ID Mumber Clinic ID Ballance Tara 1 Dorimand Florian 3 keves Florida B8 Shores Lajolla 4 4 From Favorites select the desired Z score Favorite assessment open session escription 5 Click OK ach Z score 6 assessment open session II I HO 2ch Z score 6 assessment script eyes dosed
57. l 14 Front Back Note Electrode location CZ can always be approximated instead of explicitly measured following the procedure described above It is the top middle of the skull Imagine if the subject were to hang perfectly straight from a String tied to the top of their heads this is where the string would have to be fixed The other sites described in the above example C3 and C4 can simply be estimated to be a certain distance away from that top middle point towards the left and right ears respectively Still to ensure repeatable measurements especially when comparing across sessions it is recommended that the electrode locations be explicitly measured as described Prepare the scalp The scalp must be prepared before an electrode can be fixed This involves slightly abrading the skin to remove dead skin sweat and other contaminants to the EEG signal The following steps should be followed for all electrode location sites Scoop up a small quantity of NuPrep skin prepping gel on a cotton swab or tissue With the thumb and index finger of one hand separate the hair around the electrode site that was previously found and marked Run the gel in the direction of the natural line formed along the scalp by the split hair Some light force must be used enough to redden the scalp slightly but not enough to break the skin 2 5 lt 2 6 User Manval 15 Wipe away the excess prepping gel with a dry lint free cloth Car
58. lectrodes in a repeatable way independent of inter patient anatomical variability Called 10 20 because of the way distances between electrode sites are computed The distances between certain anatomical landmarks are segmented at increments of 10 and 20 of their value and electrodes are placed at these points A letter is used to indicate over which area of the brain the site is located Sites are identified as follows Frontal lobe F Central sulcus C Parietal lobe P Frontopolar area FP Temporal lobe T Occipital lobe O Other miscellaneous labels are used for the ears A and other reference sites for example M for mastoid process G for ground etc The letter Z indicates the central line along the interhemispheric fissure Numbers are used to indicate the position in reference to the central line Z Number value increases the further away a Site is from the central line Odd numbers are on the left Even numbers are on the right Front For example along the line joining sites A1 and A2 to the right of A1 at 1096 of the overall A1 A2 distance is electrode site T3 This is followed by C3 20 further Cz 20 further C4 20 further and T4 20 further Site T4 should fall 1096 to the left of A2 EEG electrodes As mentioned above each EEG Z sensor comes with a monopolar bipolar electrode kit The kit is composed of the following components 18750 electrode kit DIN cable Color coded inputs Color code
59. lues for the electrodes 9 Return the EEG extender cables to their original inputs After you have checked impedance for both inputs you can start recording the session Zr g 6 User Manual 31 Impedance Check window The impedance measurements are read from all the EEG Z sensors that are connected to the encoder and shown in the table at the bottom of the dialog box If there is only one sensor connected ProComp2 encoder the same values will also be shown in large color coded numbers on the right half of the dialog box If there is more than one sensor connected Infiniti encoders the color coded numbers correspond to the sensor that is selected in the list You can select another sensor by clicking on another line in the list Impedance Check Za To enter impedance checking mode press and hold the encoder s power button until the power indicator blinks twice 2 seconds then let go The power indicator keeps blinking until the encoder is taken out of impedance checking mode To exit impedance checking mode press and hold the encoder s power button until the blinking stops 1 second Electrode Colors is blue is yellow ground is black 0 2 2 0 54 is blue is white ground is black Calculation Type Resistive Total Representation Type Individual Pairs Both Thresholds kOhms Individual Pairs EM 7 15 lt 5 10 0 kohms Set Default Apply 0 P 3 4 Sensor Cha
60. lug only Thought Technology active sensor cable connectors into instrument inputs All EMG electrodes and third party sensors must be connected to active sensors either directly or through an adapter Remove batteries when the device is not being used for extended period of time Please dispose of battery following national regulations INTENDED PURPOSE Biofeedback relaxation and muscle reeducation purposes CONTRAINDICATIONS NOTE Patients with limited or impaired physical and mental capacity No preventative inspections required maintenance must be performed by qualified personnel The supplier will make available upon request circuit diagrams component parts lists and description or other information required for the repair of product by qualified personnel If a fiber optic or patient cable is damaged or breaks please replace it Due to the essential performance and intended use of the device testing for immunity to electromagnetic disturbances was not required and was not performed The device may be susceptible at levels below IEC60601 1 2 immunity test levels The operator must be familiar with typical characteristics of signals acquired by this equipment and be able to detect anomalies in the acquired signal that could interfere with treatment effectiveness Depending on the importance of signal integrity it may be advisable to continuously monitor the raw signals in time and or frequency domain while the device is being
61. m can be found at the end of the manual You must provide a detailed description of the problem you are experiencing and your telephone fax number and e mail The unit s must be sent postage prepaid and insured with proof of purchase to one of the addresses below All customs and duties charges will be billed to the customer if incurred by sending the unit to the wrong address In the USA ship insured to Thought Technology Ltd Cimetra LLC 8396 State Route 9 West Chazy New York 12992 USA In Canada ship insured to Thought Technology Ltd 8205 Montreal Toronto Blvd Suite 223 Montreal West Quebec Canada H4X 1N1 For international e Package must be marked Broker Livingston International 133461 e Ship insured to Thought Technology Ltd 8205 Montreal Toronto Blvd Suite 223 Montreal West Quebec Canada H4X 1N1 Z s lt dreG User Manual 53 Repair Return Form Be sure to call for authorization before returning any equipment Copy and complete this form and include it with the unit s Include a copy of original invoice and return to the address in the Returning Equipment section Name Company Address Phone No Fax No Date Purchased From Whom Model Name Serial No Problem 2 527806 User Manval 54
62. minimally affected by artifact feedback is paused and recorded data is excluded from statistical calculations when artifacts occur Flat lines in the artifacted EEG signal trace indicate those places in the recording where artifacts have occurred 5 66 User Manval 25 00 00 55 00 00 56 00 00 54 Top raw EEG bottom artifacted EEG real time 00 00 54 00 00 55 00 00 56 Bottom with additional manual artifact rejection When real time artifact rejection is used review mode artifact rejection becomes optional This depends upon whether the real time rejection is judged to be sufficiently accurate An artifact rejection screen described more fully on page 44 is provided to facilitate this In the artifact rejection screen the raw EEG signal and artifacted EEG signal are displayed together as shown above left Flat segments on the artifacted EEG signal are excluded from statistical computations During review you can place additional rejection segments on the raw and artifacted EEG signal traces as shown on the right using the automatic and manual artifact rejection functions of BioGraph Infiniti The artifact review screen includes instructions for clearing the rejection limits used for real time rejection Artifact rejection in Review mode Rejecting artifacts can be performed while reviewing sessions Artifact rejection can be performed automatically by the software or manually by the person reviewing the data If you h
63. nd green light goes on with success otherwise it remains off index below threshold and or artifact rejection on and artifacts present Epoch means of z score power ratios index are trended Range settings for z score power ratios index are available via settings instrument The two red LEDs on the screen will indicate the presence of artifacts eye movement EMG noise and artifact rejection can be turned on or off in the lower left corner of the screen for each electrode independently Z Score 6 User Manval h ee fepe asn Se a ua Tama ee hisni dudas mim c means ESSI i i iame ba ba ALS iE ie Loe L 17 2 21K oe LE Tare peer Face cogs ee pale eel ree OA pee reas ga alr mm LL ELI aa ee eee ES III ELI MER 1 d JS BEIM Ine A lame mado nion re F ou Baoa bra poke domnus p amar l 8 eS ii iaee AL La ae nue L 7 ails oe 4 MERN ar A FR H Pe HE ea HHT Ln Vra Ihara limem erie Erime Feebee EIE I 47 Training Z score Connectivity index Animation ee a Ng i en ee a ee ee Em T2 EH This screen provides animation feedback related to Z LEA ne score Connectivity index Bar graph provides color e e feedback red below threshold light blue above animation cycles and green light goes on with success otherwise it remains off index below threshold and or artifact rejection on and artifacts present Epoch means of z score Connectivity index are trended Range settings for z score Connectivity in
64. ng screens allow you to choose a specific z score metric upon which the training will be focused The screens contain brief instructions on how to do this Select the z score metric before you click the Start button 1 Place the cursor over the screen instrument and click on the right mouse button 2 From the right click menu select Channel Item Selection This opens the Channel Item Selection box Select a z score metric from the list and click OK 4 Click the Start button to begin recording You can switch to a different metric during the session 1 Todo this first click the Pause button to pause recording and then follow steps 1 3 above 2 Click the Pause button again to resume recording Suggested Usage Scenarios Show connected channel s Edit Virtual Channel Settings Edit Instrument Settings Edit Instrument Sound Auta Scale Hide Instrument Center the signal Double Scale x 2 Half Scale 2 Channel Item Selection Reset Channel Item Selection Select one item from the list Item Description 52 Power Ratio Input 2 Beta High Beta 53 Amplitude Asymmetry Delta 54 Amplitude Asymmetry Theta 55 Amplitude Asymmetry Alpha 56 Amplitude Asymmetry Beta 57 Amplitude Asymmetry High Beta 58 Amplitude Asymmetry Beta 1 59 Amplitude Asymmetry Beta 2 60 Amplitude Asymmetry Beta 3 61 Coherence Delta n Cancel The predefined Favorites acc
65. nnel Description E Ground Ground Ground EEG Z C Electrode 1 0 54 EEG 2 1D D Electrode 2 0 64 1 94 0 32 0 96 2 26 2 58 Green indicates a low value Orange indicates a medium value Red indicates a high value Ideally all three measurements should display in green As necessary adjust electrodes on the client until you are satisfied with the displayed values close the impedance check window and end the impedance checking session For detailed information about impedance checking press F1 to consult the on line help 2 530 6 User Manual 32 Z Score Assessment and Training Overview Z score Biofeedback involves real time comparisons of EEG data to the normative database compiled and maintained by Applied NeuroScience Inc httpz www appliedneuroscience com QEEGNF htm This initiative brings together Applied Neuroscience Inc the creators of NeuroGuide QEEG analysis software with manufacturers of biofeedback equipment to allow the same real time normative data functionality across all neurofeedback systems The z score deviation of a value from a set is defined as the difference between that value and the mean of the set It is reported in multiples of the standard deviation of the given set In other words the z score tells us how many standard deviations a value is from the mean of a group of values From two or four channels of raw EEG the NeuroGuide Z Score Biofeedback algorithm calculates t
66. ns window Select up to 5 screens and click OK to return to Review Replay Session Confirmation dic Click OK to enter replaying mode Click on the Start button to replay the session Select Screens Review Replay Session Confirmation Reviewing Sessions After recording a session you can analyze the data by going into review mode This mode allows you to scroll through the graphs look at statistics and print out a report displaying the data in graphical and or statistical form 1 2 3 4 Select Database from the Main Menu screen In the Main Database window select the client whose session you want to review Select the session from the right hand table Click on Review Report at the bottom The Review Replay Session Confirmation window opens Scars 6 User Manual 24 Review Replay Session Confirmation Channel Set Options Z score 6 2ch Select Script Edit Virtual Channel Settings Screens Review Artifact Rejection Report Raw z scores and means Report Powers z scores Report Power Ratios z scores Report Connectivity z scores Select Screens Set Screen Order Cancel For a Script session Review Replay Session Confirmation x Channel Set Options Z score 6 2ch Select Channel Set Edit Virtual Channel Settings Screens Review Artifact Rejection Report Raw z scores and means Report Powers z scores Report
67. o the category will display 6 Select a script from the list and click OK Note _ f this is the first time you are recording a session at this point the system will prompt you to enter key codes See page 4 for more details 7 When the recording screen opens start the script by clicking on the Start button and follow the on screen instructions To record with a previously recorded script 1 Select an existing Client 2 Select a previously recorded script session from the Sessions list 3 Click one of the following Start options e Start to rapidly start a new session with the same display screens and script settings as the selected session These include any changes you made to the client settings e Start Default Settings to start a new session with the default channel set settings instead of any changes you made to the client settings for the selected session Note lfthis is the first time you are recording a session at this point the system will prompt you to enter key codes See page 4 for more details 4 When the recording screen opens start the script by clicking on the Start button and follow the on screen instructions To record with a new client 1 Click Add New Client in the Client Data screen enter at least the person s first name last name and date of birth required for Z score biofeedback and click OK 2 Select the new Client from the list 5 66 User Manual 20 3 Click Define
68. on You can release the Control key at this point Drag the cursor across the segment to be rejected The selected segment is highlighted in gray 2 p de X ge At the end of the segment release the mouse button Note You can place artifact rejection segments only on single line graph instruments If you get an error message you have to select a different screen for reviewing Calculating statistics 1 To calculate statistics for a session click the Show Statistics button 71 in the tool bar and select Calculate statistics for the whole session A message confirms that the program is processing session data and then the Statistics window opens 2 Click Close to close the window Activity Statistics Activity Activity Description Step Step Description Statistic Description Value 2 Recording 1 C NG Delta amplitude mean 399 36 2 Recording 1 D NG Delta amplitude mean 190 03 2 Recording 1 C NG Theta amplitude mean 157 32 2 Recording 1 D NG Theta amplitude mean 138 25 _ 2 Recording 1 C NG Alpha amplitude mean 79 80 2 Recording 1 D NG Alpha amplitude mean 71 10 2 Recording 1 C NG Beta amplitude mean 65 49 2 Recording 1 D NG Beta amplitude mean 81 24 2 Recording 1 C NG High Beta amplitude mean 28 89 2 Recording 1 D NG High Beta amplitude mean 41 21 2 Recording 1 C NG Beta 1 amplitude mean 46 46 2 Recording 1 D NG Beta 1 amplitude mean 46 19 2 Recording i C NG Beta 2 amplitude mean 35 57 2 R
69. onnected to an Infiniti encoder do not unplug the sensors from the encoder If this accidentally happens reconnecting the sensor will not reinitialize impedance checking You must close the Impedance Check window and reopen it ProComp2 encoder 1 Place the electrodes on the client 2 Connect the first EEG extender cable to Input A of the ProComp2 encoder Connect the second EEG extender cable to an EEG Z sensor and connect the sensor to Input B of the ProComp2 encoder 4 Turn on the encoder start BioGraph Infiniti and start the session Do not start recording 5 From the Hardware menu of the Recording Screen select Impedance Check This opens the Impedance Check window 6 First read impedance values for the electrodes connected to Input B e Disconnect the EEG Z sensor and then reconnect it The sensor goes into impedance checking mode and the window displays impedance values Impedance Check window explains how to read impedance values e As necessary adjust electrodes on the client and then repeat the preceding step until you are satisfied with the displayed values The integrated EEG sensor Input A of the ProComp2 encoder does not have impedance checking capabilities To check impedance for the electrodes connected to Input A do the following 7 Remove the EEG extender cable from the EEG Z sensor connected to Input B and replace it with the EEG extender cable from Input A 8 Repeat Step 6 to read the impedance va
70. ore index DVD 2 monitors Z score 6 index training 2 2 monitors Artifact calibration Training Z score Power index Animation 2 monitors Training Z score Power Ratios index Animation 2 monitors Training Z score Connectivity index Animation 2 monitors When using z score index screens for training optionally you can customize an index by modifying the selection of z scores included in the index see page 37 or if you prefer you can use the 4 preset indices 5 686 User Manual 40 2 channel 4 channel Z score index V213 V213 Z score Powers index V216 V216 Z score Power Ratios index V219 V219 Z score Connectivity index V222 V222 Reviewing Reporting e Select the recorded training session from the Main Database and click Review Report e Select the report screens If you want to review automatic artifact rejection or perform manual artifact rejection select the artifact rejection screen at this time e Reject artifacts if necessary or toggle on off automatic artifact rejection and review the results displayed in the report screens Optionally generate and print a session report Screens Z score 6 suite display screens are described according to the type of task they are designed to help accomplish e Training screens The training screens are designed for biofeedback and implement both AVI animation and DVD playback control as feedback Some are based on single z score metrics others on the z score index
71. r Type column When a sensor is not connected the program replaces its signal value by a constant value of 1 You can record a session when some sensors are missing but the corresponding signal will be a flat line Any calculations based on that signal will not reflect real physiological changes Stopping a Session No duration is set for an Open Display session It must be stopped manually by clicking the Stop button LI The duration of a Script session is set at the time the script is defined When the script reaches its end recording will automatically stop When the session ends the following series of message prompts will appear and guide you through the process of saving data adding notes to the session file and optionally reviewing the data or recording another session sc r User Manual 22 Save session data Infinati Software System Do you want to save this session Remember You can save the session in compressed format but Er IEEE unless your hard drive has very little space available or you do not need to review the saved sessions we recommend that you always Save which uses non compressed format Compressed files can t be replayed reviewed or trended Do Not Save until they have been decompressed Enter Session Notes Here you can enter if you want a treatment code a session description and some notes Click OK to continue Session Notes Training Code Review or replay
72. r automatic rejection to refine the rejected areas and review the results displayed in the report screens Optionally generate and print a session report Open session e Run the open session assessment Favorite Z score 6 assessment Open session Scars 6 User Manual 39 Configure the suite s real time artifact rejection with the Artifact Calibration screen or toggle 0 to turn it off You can switch from one screen to another while the session is being recorded When you are satisfied that you have adequate data end the session After the session ends the Favorite automatically loads the artifact rejection and report screens and switches to review mode Real time artifact rejection displays as flat sections on the Artifacted EEG screen graphs in the Artifact Rejection screen f necessary use manual or automatic rejection to refine the rejected areas and review the results displayed in the report screens Optionally generate and print a session report After reviewing the report screens and optional session reports select a training approach based on the results of the assessment Training Training sessions are generally run as open sessions The Z score 6 suite does not include training scripts Run a training Favorite see below for choices Configure the suite s real time artifact rejection with the Artifact Calibration screen or toggle O to turn it off You can switch from one screen to another while the ses
73. res a key code license to fully install and operate The z score biofeedback computations can be accessed screens can be loaded and sessions can even be recorded and reviewed but no z score values will be displayed until the Z Score Biofeedback Add on is installed and the key code is entered For more information check the FAQ section of the Thought Technology website or contact our Technical Support Requirements Please refer to 57915 BioGraph Infiniti PC System Requirements for a detailed list of requirements for running BioGraph Infiniti 6 0 5 66 User Manual 2 First Time Run Once the software is installed you have to configure your system This takes only a few minutes Starting the Program D To start the program simply double click on the BioGraph Infiniti icon on the Desktop BioGraph BioGraph Infiniti Infiniti Docs amp Editors The program always starts by showing the Main Menu screen From here you can set global m Pm settings that affect the performance E of BioGraph Infiniti 4 BioCraph Note Global settings remain in ie INFINITI effect unless you change them Thought Technology Ltd Notch Filter A notch filter removes the specific frequency caused by electrical interference from a raw signal The signals that are susceptible to electrical interference are EEG EKG and raw EMG Notch filter settings affect all signals of the selected type and work with any channel set Sel
74. s that may be related to artifacts Raw EEG and artifacted EEG are displayed on single line graphs 2D spectrum display available for each electrode Report Powers z scores This report screen includes trends of epoch means for all powers z scores relative absolute all bands both electrodes and their digital display as well as session mean of powers z score index Full session means of EEG amplitudes are also included Report Power Ratios z scores This report screen includes trends of epoch means for all power ratios z scores all ratios both electrodes and their digital display as well as session mean of z score power ratios index Full session means of EEG amplitudes are included Report Connectivity z scores This report screen includes trends of epoch means for all connectivity z scores all bands coherence phase and AA and their digital display as well as session mean of z score connectivity index Full session means of EEG amplitudes are included 2 526 User Manual iis iame Teh pee r te dis a fu E 2I mec f ak D Bos FP Ex LE moi m F GEE BUDE ED Epa Piy Ck dam bacis ILL Upm acon MET BOR de B TDi T tiy aan Wi aL 47 23 EE i E ay Tu F Bo at dg mexFy des aH ere ed L Hian lher jelag bee dep Lo ee r F Ha e Be El hence of Renae Tau im i VIE uriIaQ gm bes rare cul dis ie Listas id prone Mere Cer gers mags Dum nen i quud Pet Leo dd erae Ae ccu eet eee
75. script sessions To generate a session report enter review mode either immediately after recording a session see Stopping a Session on page 22 or from the Database window by selecting the session from the database and clicking on Review Report see Reviewing a Session on page 24 Select review screens and then follow these steps iF If this is an open display session from the Options menu select Set Open Display Statistics and choose the channels for which statistics should be calculated If necessary perform artifact rejection on the recorded data Click the Recalculate icon Ca in the tool bar to recalculate the statistics If you have loaded more than one screen open the screen from which you want to generate the report Different screens can generate different reports Click the Session Report icon I in the tool bar and select the type of report that you want to generate B m lt M W Generate Test Report Generate Excel Repart e f you select Generate Excel Report Microsoft Excel opens and displays your report as a workbook You can print or save the report using Excel s Print and Save functions e f you select Generate Text Report the Session Seiten Report Report window opens and you must continue to the Session information is abe eluded n e repart next step V Session Notes Select report components by placing a check mark in the etiem desired boxes reborn Click Generate Report to generate the report
76. sion is being recorded When you are satisfied that an adequate period of training has elapsed end the session After the session ends the Favorite automatically loads the artifact rejection and report screens and switches to review mode Real time artifact rejection displays as flat sections on the Artifacted EEG screen graphs in the Artifact Rejection screen f necessary use manual or automatic rejection to refine the rejected areas and review the results displayed in the report screens Optionally generate and print a session report Approaches to training o Single z score Favorite Screen Z score 6 single Z score training and amplitudes Artifact calibration Training Single Z score Animation Training Single Z score Audio Training Z scores with EEG amplitudes You can select a z score to be trained and switch to a different z score during the session see page 39 o Z score index Favorite Screens Z score 6 index training 1 1 monitor Artifact calibration Training Z score index Animation 1 monitor Training Z score index DVD 1 monitor Z score 6 index training 2 1 monitor Artifact calibration Training Z score Power index Animation 1 monitor Training Z score Power Ratios index Animation 1 monitor Training Z score Connectivity index Animation 1 monitor Z score 6 index training 1 2 monitors Artifact calibration Training Z score index Animation 2 monitors Training Z sc
77. subtereiection and seen comerpandng settings Ca Boden chancel piiga s 3 tate Boolean Rejection Baji duties abs when set iri G5 eer Rean T pps Ticker Pajaci Physical Channel Rejection elect channels for aube retecteon and seen comerpanding settings haere Cerig Cais Wake C Bat T Epi If you are using the artifact calibration screen to reject artifacts you don t need to use Review Mode Auto Tube Ito oat Physical Channel Rejection 26 After you finish recording when you switch to review mode the program scans the whole session and automatically places rejection segments over all the sections that fit the definition If you save the data without switching to review mode when you do open the session for review at a later time automatic rejection will be performed using the levels you set here Note If you modify auto rejection level or rejection segments during review the system saves your modifications Manual rejection of artifacts First review the session to determine where the recording is most affected by noise Then place artifact rejection segments at these locations by following these steps 1 Select the line graph containing the segment to be rejected The selected graph will display a magenta border Press Ctrl 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 Press and hold the Control Key Place the cursor over one end of the rejected segment Click and hold the left mouse butt
78. t Not to be connected to a patient undergoing MRI Electro surgery or defibrillation To prevent static discharge from damaging the sensor and or encoders use antistatic mats or sprays in your working area A humidifier may also be used to help prevent static environments by conditioning hot dry air Not for diagnostic purposes Not defibrillator proof Not for critical patient monitoring To prevent voiding warranty by breaking connector pins carefully align white guiding dot on sensor plug with slot on sensor input Sharp bends or winding the fiber optic cable in a loop smaller than 4 inches 10cm may destroy the cable A fiber optic cable not fully pushed into its receptacle may cause the unit not to operate make sure that both ends of the cable are fully inserted into their receptive jacks and the nuts are tightened firmly Make sure to remove electrodes from sensor snaps immediately after use Apply conductive gel only to electrodes never put gel directly on sensor snaps Scars 6 User Manval Always use electrodes between the subject and the sensor Sharp bends or winding the fiber optic cable in a loop smaller than 4 inches 10cm may destroy the cable A fiber optic cable not fully pushed into its receptacle may cause the unit not to operate make sure that both ends of the cable are fully inserted into their receptive jacks and the nut is tightened firmly Do not plug third party sensors directly into instrument inputs P
79. ti 2 channel EEG Z EEGZ ProComp5 Infiniti EEG Z EEG Z am ProComp2 e Turn the encoder on 1 Click Quick Start Z Score 6 User Manval 41 2 From Categories select the Z score 6 for your encoder 3 From Clients select a name 4 From Favorites select the desired Z score assessment script 5 Click OK Note When BioGraph Infiniti is not open you can also run a Favorite from your computer desktop by double clicking its icon in the program group Categories Z score 6 Procomp Infiniti Clients Full Mame ID Number Clinic ID Ballance Tara Dorimand Florian 3 keves Florida R B8 Shares Lajolla 4 Favorite Description zch Z score 6 assessment open session ech Z score 6 assessment script eves closed ech Z score 6 assessment script eyes open k ech z score 6 index training 1 1 monitor zch z score 6 index training 1 2 monitors ech Z score 6 index training 2 1 monitor e Click the Start button and read the instructions on the screen in thes step enter Z score settings eyes condition and electrodes locations The instructions below wil guide you Press space bar to continue e When the Edit Channel Set Settings for Current Client window opens make any necessary changes to the settings BEFORE you close it See Verifying channel settings on page 36 for a detailed explanation e Atthe end of 2 minutes the script session w
80. tions for creating a linked ears reference are provided on page 11 The illustration shows a linked ears reference configuration for 2 channels of EEG Client database The client s date of birth is required in order for the z score to be correctly computed If it is missing you must add it to the client file before you can record a session Instructions for creating and modifying client files are provided on page 18 Verifying channel settings Z Score virtual channel The first step in running any Z score session is to verify these settings in the Edit Channel Set Settings for Current Client window H Select the virtual channel where you want to verify the m settings T e 2 channel virtual channel V210 wm MES e 4 channel virtual channel V210 MET Here you confirm that the correct eyes condition is selected Closed Eyes or Opened Eyes and choose electrode locations from the drop down lists e 2 channel 2 electrode locations e 4 channel 4 electrode locations omm sme Edit Channel Set Settings for Current Client Z score virtual channel 4 channel configuration Opening Edit Channel Set Settings for Current Client varies slightly depending on whether the session is open display or script 5 66 User Manual 36 Script e AFTER you click the Start button the script opens an instruction screen and then after a brief pause automatically opens the window Make necessary modifications and then click Sa
81. trument instrument select Hide Instruments from the View menu and in the Current Reviewing Screen Instrument List remove the check box next to the instrument name 56e 6 User Manual 35 General Procedure Starting a session The preferred method for starting to record a Z score session is to use one of the predefined configurations called Favorites which are accessed by clicking the Quick Start button on the main menu screen of BioGraph Infiniti Instructions in this section of the manual are based upon the use of Favorites If you want to choose a different set of screens for an Open Display session or edit script settings for a Script session the chapter Software Overview describes how to run a session manually See page 19 for information about running a Script session and page 21 for information about running an Open Display session Software Overview also contains information about reviewing and replaying sessions from the Main Database on page 24 Important Before you start recording ensure that e Correct channel settings are used for every session including o condition of eyes opened or closed o electrode locations e Date of Birth of the client is correctly entered in the BioGraph Infiniti client database and the session is recorded and saved under the correct client file e Alinked ears reference configuration is always used whether you are measuring 1 2 or 4 channels of EEG Linked ears reference Instruc
82. two types of sessions can be recorded Open Display and Script sessions Both types of session can be recorded with BioGraph Infiniti e Scripts are predefined protocols that group together varied types of activities with specific display screens They are used for evaluation and assessments because they produce statistics that can be used to determine the type of exercise and or practice that is needed by the patient These statistics can be trended across sessions to reflect patient progress e Open Display sessions are used for biofeedback training when flexibility is important and you need to be able to rapidly change the session parameters depending on the client s reactions The kinds of feedback include various types of audio such as music tones sounds and voice prompts There are also visual media such as animations and different graphs that change color when the signals pass their threshold markers Start the program After making the necessary connections described in the previous chapter turn on your encoder and start the BioGraph Infiniti software Scars 6 User Manual 18 Starting a session from a Favorite A Favorite is a predefined session configuration that contains all the settings you need for recording replaying and reviewing a session Depending on the session type script or open display these settings include scripts channel sets and screens statistics for session reports auto rejection settings for r
83. ur base unit you can connect the other end of the USB cable to it On a laptop USB ports are usually located at the side or the back of the laptop It is recommended to always use the same USB port for connecting the TT USB to your computer Battery placement Opening the compartment Looking at the underside of the encoder you will see a long door in the plastic enclosure Holding the encoder with the connectors facing you and with the door up push lightly down and back with your thumbs on the door to slide it open Attention The internal workings of the encoder are not intended to be opened for repair except by qualified service personnel The tamper evident seal under the batteries in the battery compartment should not be removed or broken Thought Technology may refuse to honor the unit s warranty if the seal is broken Polarity When the compartment cover has been slid out place four AA batteries in the slots observing the correct battery polarity as embossed on the inside surface of the compartment Closing the compartment Slide the door back into the encoder case gently pushing it in until you feel the click of the locking mechanism Keeping an eye on the battery level Since each sensor draws a small amount of power from the batteries when connected to the encoder it is better to connect only the sensors that are going to be used for a session before you start recording this will ensure maximal battery life Most Thought T
84. used for biofeedback or other purposes If anomalies are observed on acquired signals and if you suspect a problem with electromagnetic interference contact Thought Technology for a technical note on identification and remediation MAINTENANCE AND CALIBRATION Wipe encoder with a clean cloth Factory testing and calibration ensure equipment accuracy and frequency response The user may invoke a self calibration function that will recalibrate certain device parameters see section in hardware manual Contact Thought Technology for factory recalibration if necessary STORAGE e Store in its original case e Temperature 23 to 60C 9 5 to 140F e Humidity Non condensing 10 to 90 e Atmospheric Pressure 70 to 106 Kpa TRANSPORTATION e Transport in its original case e Temperature 23 to 60C 9 5 to 140F e Humidity Non condensing 10 to 90 e Atmospheric Pressure 70 to 106 Kpa 5 686 User Manual i Guidance and manufacturer s declaration electromagnetic emissions The Infiniti system is intended for use in the electromagnetic environment specified below The customer or the user of the Infiniti system should assure that it is used in such an environment Compliance Electromagnetic environment guidance The Infiniti system uses RF energy only for its HF emissions Group 1 internal function Therefore its RF emissions are CISPR 11 very low and are not likely to cause any interference in nearby electronic equipment emesis Cl
85. uto rejected segments 2 Optionally if this is an open display session from the Options menu select Set Open Display Statistics and choose channels for which statistics should be calculated Click the Recalculate icon P in the tool bar to recalculate the statistics 4 f you have loaded more than one screen open the screen from which you want to generate the report Different screens can generate different reports 5 Click the Session Report icon E31 in the tool bar and select Generate Text Report EAE 0 e W Generate Test Report Generate Excel Report This opens the Session Report window where you select components to include in the report for the selected session l SessionR 6 Select Session Statistics and other report eee components by placing check marks in the appropriate cs s ee boxes unm 7 Select Generate Text Report xni J Screen Graphs UJ trend Instruments Microsoft Word will open displaying the contents of Caph Tine Prana opare Verc agh Scal Frame Opto the report screen as a Word document Use Word s Same as een une fame ame Print or Save functions to print or save the report Sa Tirap rato and proportions Note Microsoft Word must be installed on your system for these functions to work Generate Raport 5 66 User Manual 49 Report screens Artifact Rejection This screen gives instructions on how to remove real time artifact rejection and allows the user to reject segment
86. ve Changes e Click Close The script continues to the next step When you are running a script session DO NOT close the window before you have changed the Z score channel settings The script starts running automatically as soon as the window is closed If there is an error in the eyes condition or the electrode locations you must stop the script and Start over Z score Index virtual channels Each z score index has a threshold range which is Open Display e BEFORE you click the Start button manually open the window by selecting Edit Virtual Channel Settings from the Edit menu ALTERNATIVELY if the recording screen includes a z score instrument right click on the instrument and select Edit Virtual Channel Settings Make necessary modifications and then click Save Changes e Click Close To start recording you must click the Start button 2 channel 4 channel the number of standard deviations that the z score Z score index V213 V213 may vary from the NeuroGuide normative database Z score Powers index V216 V216 A z score is defined by the combination of a Z score Power Ratios index V219 V219 specific metric and either an electrode location or Z score Connectivity index V222 V222 an electrode pair Each index virtual channel is composed of a group of z scores p ek FUE The z scores that make up the index are selected in the NeuroGuide Processing Settings window E
87. was done for the linked ear reference Final result Two linked yellow earclips are connected to the yellow input of both sensors a single black earclip is connected to the black input of both sensors and individual blue cup electrodes are connected to their respective blue input on each sensor Instructions for 4 channel EEG The four channel configuration is essentially the same as the two channel configuration described above The main difference is that a 4 channel splitter provided in the 4 channel connectivity kit T8761 is used in place of the 2 channel splitters described above Using four T8750 packages start by connecting the blue active leads to the blue sockets in the DIN cables Take 1 y splitter of each type from the T8761 package Connect the single output connector of B to the single electrode connector of C 1M4F y splitter C Z Score 6 User Manval 12 Note There are two of C in the kit and only one of B Connect a yellow earclip to each electrode connector of B 2M1F y splitter B Connect the output connectors of C to the yellow inputs in the DIN cables Connect the black earclip to the single electrode connector of the remaining y splitter same as C above Connect the output connectors of the y splitter to the black inputs in the DIN cables as was done for the linked ear reference Final result Two linked yellow earclips are connected to the yellow input of four sensors a single black e
88. y the power z scores for all channels e z score power ratios index includes only the power ratio z scores for all channels e z score connectivity index includes only the coherence phase and amplitude asymmetry z scores for all channel pairs To paraphrase Dr Robert Thatcher of Applied Neuroscience Inc often in the z scores that come from the Z score Biofeedback Library an abnormality will show a high fairly steady z score while the other z scores tend to vary more but with lower magnitude The steady deviations that do not vary much are the same ones that contribute most to the FFT z scores in the NeuroGuide report and reflect a chronic or continuous deregulation which can be modified by neurofeedback When using the real time z scores the ability to keep track of mean z scores both overall and at discrete intervals to show the trend in the session allows this type of assessment to be possible This suite includes brief assessment protocols for recording baselines under both eyes open and eyes closed conditions screens for single z score training z score index training z scores with standard EEG band amplitudes in parallel as well as reports showing session trends and means for all these metrics Session configurations have also been designed using the very powerful very practical feature of BioGraph Infiniti Quick Start Favorites Z Score Screen Instrument The Z Score Instrument is a specialized text instrument that displa
89. ys NeuroGuide Z Scores and Array Statistical calculations taken from NeuroGuide Z Score virtual channels The Z Score virtual channel can be defined for either 2 channels or 4 channels of EEG input 1 C3 C Artifacted EEG H Beta Beta Alpha Theta 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 2 C4 D Artifacted EEG H Beta Beta Alpha Theta 0 00 000 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 3 F3 E Artifacted EEG H Beta Beta Alpha Theta 0 00 0 00 000 0 00 0 00 0 00 0 00 0 00 0 00 0 00 4 F4 F Artifacted EEG H Beta Beta Alpha Theta 0 00 000 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ABS 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ABS 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ABS 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ABS 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 REL 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 REL 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 REL 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 REL 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 12 COH 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 Z Score Screen instrument showing values for 4 EEG channels Z Score 5 User Manval PHA 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 ASY 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 13 COH 0 00 0 00 0 00 0 00

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