medlab8 - Med Associates Inc.
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1. 1 13 2003 wB 7 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Running the FR Procedure This section deals with Loading and Running a procedure within the runtime system For the purposes of this example the MedLab8 Fixed Ratio mpc procedure will be used and just a few of the features of the runtime system demonstrated Opening an Experimental Session Opening an experimental session refers to assigning an experimental procedure to a Box and causing the Box to begin executing the procedure When MED PC IV is first loaded all Boxes are closed or unloaded which is to say that there are no MSN procedures running within any of the Boxes To load a Box select File Open Session The screen shown in Figure 3 3 will appear Figure 3 3 Open Experimental Session Window Open Experimental Session wl Subject 0 Experiment o Automatic Filename Group jo C Custom Filename Procedure MEDLABS8 FIXED RATIO Session Comment Boxes to Load 1 2 3 4 5 6 7 8 3 10 11 12 13 14 15 16 v Select All Deselect All Box Identifiers The Subject Experiment and Group numbers also referred to as Identifiers are arbitrary values that may be set to any character alphanumeric name Bear in mind that these values are also used in generating data file names if the Append data to a file with name based on experiment group and subject identifiers or2. 2 Hardware Emulation Select No if the hardware is not present or is simply not required for example when testing procedure changes with keyboard simulated responses The Hardware Emulation mode is a viable mechanism for doing all but final testing of software and is useful for classroom teaching exercises During Hardware Emulation sessions the interface hardware will be totally ignored even if present but responses may be simulated via keyboard input commands This will be discussed under Responses R later in this manual 3 Exit to Windows If necessary MED PC IV may be terminated at this point by selecting Cancel The MED PC IV Runtime Screen In most instances MED PC IV proceeds directly to the Loading Wizard or the Runtime Screen shown below This is the screen present when running any MED PC IV procedure It is divided into three main sections 1 the SHOW area 2 status lines for boxes 1 16 and 3 the row of 6 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 buttons separating the two other sections whose purpose will be described later Note if fewer than 16 boxes are declared in the configuration file status lines will be present only for the number of boxes declared Figure 3 2 MED PC IV Runtime Screen MED PC IV Configure View Macros Debug Hep Alole zial B eg 2 ox ji peri p Load B Program
3. Signals The screen shown in Figure 3 5 will appear Figure 3 5 Send Signals to Boxes Window Command to Issue ssue START Command Issue Issue K Pulse Synchronize Occurence Close Hel C Simulate Response A ad d i Boxes id 6 1 1 wo E L0 l Bo mil mie 0 2 4 6 mn 3 Select Al Deselect All The Issue START Command option is already highlighted so simply select the check boxes next to the Boxes to be run Once all necessary buttons are selected represented by check marks press the ISSUE button The program is now running SHOW Data From a Box As soon as MedLab8 Fixed Ratio is started in any one of the loaded boxes a SHOW display will appear at the bottom of the screen with Labeled counters for each lever a reinforcement counter the FR ratio in effect and the elapsed session time in decimal minutes The SHOW Command The SHOW command is covered in the MedState Notation Programming Manual It is the mechanism whereby MSN programs may place data on the screen Each box may place the values of up to 200 variables or array elements on the screen along with descriptive labels for each datum 11 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Miscellaneous SHOW commands are not displayed in real time When a box issues a SHOW command the data values are retained but the data is not actually displayed until the runtime system has time to upda
4. Create a new file for every session named according to date time and subject file naming option was selected during installation Procedure Procedure refers to the MSN procedure MPC file that will be run Any MSN procedure that was compiled by Trans IV may be loaded into any compatible Box defined when the Hardware Configuration Utility was run If loaded and parsed compiled properly all eight MedLab8 procedures should be listed under the pull down menu To confirm this click the arrow and see if all eight procedures are listed Boxes to Load Check the Box number s to load By default the first available box is automatically offered 8 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 After completing the screen clicking OK loads the box and causes a status line to appear for the Box in the upper left hand corner of the screen After loading Box 1 with MedLab8 Fixed Ratio repeat the process to load Box 2 with MedLab8 Fixed Ratio A Box may be loaded even while other Boxes are running without affecting those Boxes Two or more Boxes may be loaded at the same time just by selecting multiple check boxes As soon as a Box is loaded the procedure is started although nothing may happen This is the case with MedLab8 Fixed Ratio since the first command in this procedure is START The use of START is covered shortly Changing Variables Figure 3 4 Named Variables S
5. 0 700 0 800 0 900 1 000 1 100 1 200 1 300 m 1 1 p ox fi TL L ER 3 T MN T peas Lol Lut od 4 SERA 1 1 5 6 H 8 EJ 39 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Appendix C Contact Information Please contact MED Associates Inc for information regarding any of our products Visit our website at www med associates com for contact information For technical questions email support med associates com 40 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc
6. 09 11 07 Subject 1 Experiment 0 Group 0 Box 1 Start Time 21 03 53 End Time 22 06 24 SN MedLab8 Fixed Ratio D 0 000 E 0 000 E 15 000 G 0 000 H 0 000 Li 38 000 J 80 000 K 0 000 L 0 000 0 000 S 0 000 O 0 000 P 0 000 Q 0 000 R 0 000 S 3600 000 T 980 000 Ue 0 000 32 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc V 0 000 W 0 000 X 0 000 Ys 0 000 Zi 0 000 A 0 1 000 1 000 0 050 0 000 60 000 54 1 000 50 000 1 000 5 000 0 000 Total Total Total 96 Correct Incorrect Responses Correct Incorrect Responses Responses B 0 18 000 15 000 3 000 83 333 16 667 Correct Incorrect Pause Run Time Trial Responses Responses sec sec 5 1 000 1 000 0 000 0 000 0 000 10 2 000 1 000 0 000 126 000 0 000 T5 3 000 1 000 0 000 2092 000 0 000 20 4 000 1 000 0 000 34 000 0 000 25 5 000 1 000 0 000 1 000 0 000 30 6 000 1 000 0 000 16 000 0 000 353 7 000 1 000 0 000 9 000 0 000 40 8 000 1 000 0 000 6 000 0 000 45 9 000 1 000 0 000 9 000 0 000 503 10 000 1 000 0 000 48 000 0 000 Doe 11 000 1 000 0 000 8 000 0 000 60 12 000 1 000 0 000 6 000 0 000 65 13 000 1 000 0 000 24 000 0 000 70 14 000 1 000 0 000 6 000 0 000 753 15 000 1 000 0 000 44 000 0 000 80 16 000 0 000 3 000 260 000 0 000 Cs 0 0 500 9072 100 0 200 1269 100 0 200 5s 20924 100 0 200 342 100 0 200 14 100 10 0 200 162 100 0 200 99 100 0 200 154 68 100 0 200 99 100 0 200 481 100 20 0 200 80 100 0 200 67
7. 3 353 e xe RE SER SEDI IEEE ERROR OYENTE NER 13 Issulnig a Response ER oae ad Se eder e Rao or v ds d Atem Saad ditat ISI 14 Ending a Session s e pe mere EE 15 St MIR S 16 PRINGING ABIECTIS 17 Chapter 4 The MedLab8 Procedures eeee ecce eese ee eee eee e eee enne nnn snnt 18 PEO OUCH ON EE 18 Me dkiab8 Fixed Ratio MPO euer retro ete SEENEN E 18 MedLab8 Fixed Interval rnp agedeelt d 20 Med Lab8 Variable Ratio mp 21 MedLab8 Variable Interval mp 23 SOF 700LA 1 MEDLAB8 MedLab8 Random Ratio mp 24 MedLab8 Random Interval Mpc ccccsesssscceceeecessesseaececeeeesseesseaeaeseeeeeeessesseaeeeeeeseseneees 25 Med Lab8 Discrimination mpc nennen enne en nnne tn nnns asses inna 27 MedEkab8 Chatten ees EES 29 Appendix A Data File Formats saiici ccicesscscsctevesessocsovessecsanvssvesseveatecvonsensbercavvesesssanenses 32 FOP ACD ANN Ot ale DEE 32 Full Headers Nine Lines of Header icc se ett ee be rhet tu e eR e rU dee Perte e 34 Condensed Headers Two Lines of Header sees 34 Appendix B SoftCR EE 35 Time Cornponents 3 3 EES EES dec go aea dae et das Aa Aaaa aoa ad 35 Control Code Components eene enhn nnne enne nen nn sss s inen eene tt nnns s nn nns 35 Data Element Formal dioi Gp se aside rid s EO COUR NOS EE P RN ta Fs CR CON E TUIS UE 35 Example of SoTECR e peer eed ente iles ee ere deu deele geven 37 Discrimination SoftCR Evample eene nnne nnne n nnns sre 39 App
8. IV the more one may appreciate the tremendous advantages of MED PC IV Additional information may be found in the MedState Notation Programming Manual In particular sections on terminology typing conventions and general definitions are recommended before editing the MPC files DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Software Description The MedLab8 distribution contains eight MSN files as listed e MedLab8 Fixed Ratio mpc Default value of FR1 or CRF e MedLab8 Fixed Interval mpc Default value of FI 1 second e MedLab8 Variable Ratio mpc Default value of VR5 Mean of 5 with a range from 1 to 20 responses e MedLab8 Variable Interval mpc Default value of VI10 Mean of 10 seconds and a range from 0 25 to 40 seconds e MedLab8 Random Ratio mpc Default value of RR5 Mean probability of 2096 chance of reinforcement on each response e MedLab8 Random Interval mpc Default value of RI10 Probability 20 Mean interval of 10 seconds i e a timer has a 2096 chance of timing out every 2 seconds e MedLab8 Discrimination mpc GO NO GO The default procedure switches S and S every 30 seconds for the duration of the procedure e MedLab8 Chain mpc Two part chain with the first FR 1 with the Left Lever being the correct lever The second FR 5 and the right lever is correct Running the Hardware Configuration Utility The Hardware Configuration Utility is an executable program supplied with MED PC IV that is u
9. Issue NOTE If FR 5 will be run for several days it may be simpler to modify the procedure save it under its own name and add it to the procedure list Follow the same procedure previously described for changing a constant value or the value for the reinforcement timer The only statements to change are contained in State 1 of State Set 1 The change to A FRVal has been made below Compare this with the current version of MedLab8 Fixed Ratio mpc Sa Su lr ST 0 001 SET A CorLever 1 A Reward 1 A RewTime 0 05 SET A TimeOut 0 A SessTime 60 A FRVal 1 SET A MaxReinf 50 A SoftCR 1 Changing the MedLab8 Fixed Ratio Session Time Changing the Session Time is done in a similar manner by changing the value of the row labeled Session Time Min on the Named Vars screen to the number of minutes desired for the Session Time For example to set a 30 minute Session Time replace the value 60 with 30 and then click Issue To close the Named Variables Window click Close 10 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 Issuing START To actually start the MedLab8 Fixed Ratio procedure a command must be issued This feature allows the user to load the program change Ratios or Session Times and place the animal in the test chamber before actually activating the procedure The START signal may be issued to Boxes by selecting Configure
10. Pause and Run Correct Lever Step Time Routine Pause and Run Timer Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 22 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MedLab8 Variable Interval mpc Variable Interval is a schedule of reinforcement in which a response is rewarded after an unpredictable amount of time has passed This schedule produces a slow steady rate of response Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Mean Variable Interval sec Default 10 seconds Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total 96 Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session P
11. RI Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine Pause and Run Correct Lever Step Time Routine Pause and Run Timer e i Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 MedLab8 Discrimination mpc This procedure is an extension of the fixed ratio procedure It uses the stimulus light to break the Session Time into alternating periods of extinction no light and fixed ratio light on The fixed ratio defaults to an FR 1 unless the user changes the variable A FRVal The stimulus ON OFF times default to a value of 30 seconds unless the user changes the variable A DiscrimDur A Session Time may also be entered by the user variable A SessionTime in minutes otherwise the default value of A SessionTime is 60 minutes Event marker 1 in the SoftCR array is used to mark the status of the stimulus light up for stimulus ON and down for stimulus OFF Please note all the variables may be changed and the variables A FRVal and A DiscrimDur follow the previously explained rule i e the change will take place after the current cycle has been met A change in A SessionTime however is immediate and must be made with care For example if a pr
12. legal file name with any valid drive and directory Printing Data As a general rule it is not recommended that to print from the file menu primarily because all MedLab8 programs are by default ended with a STOPABORTFLUSH command Since this command automatically saves the data and then wipes the resident memory clean there is nothing to print once the program has stopped running To print out the raw data there are two options The first is to print out the file generated after the STOPABORTFLUSH command saves the data This file may be opened with any text editor e g Trans IV or Notepad or word processor e g Word or Word Perfect The other option is to edit the code to generate a print out of the data before flushing saving it For assistance on this please consult the MedState Notation programming manual 17 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc CHAPTER A THE MEDLAB8 PROCEDURES Introduction As stated earlier a working knowledge of MedState Notation is not needed to run these programs In order to edit beyond the simple tasks laid out in Chapter 2 the MedState Notation Manual should be read in its entirety If all that is desired is a better understanding of the commands e g R Z START IF ADD SHOW SET we suggest using the index to lookup the function of each command This chapter describes the function of the eight programs that make up MedLab8 Each program name will be listed follow
13. limit 36 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Example of SoftCR Figure B1 1 is an example of what a Fixed Ratio schedule will look like in SoftCR after an experiment is run The red line records a Step for every correct response that is made Since this is a Fixed Ratio of 1 schedule the subject was reinforced for each response it made A reward is recorded as a Pip or a hash mark on the red line The black lines at the bottom of the screen are called Event Pens and can be used in a variety of ways for a number of purposes The black line can go up and down creating quick Spikes like the ones seen here or long plateaus that represent certain periods of time during an experiment Here the Event Pen O records a Spike for every incorrect response that is made Event Pen 1 records plateaus for Time Out times if applicable The following programs follow the outline for responses and rewards as described above when looking at SoftCR data Fixed Ratio Fixed Interval Variable Ratio Variable Interval Random Ratio Random Interval Chain The Chain program switches the correct and incorrect lever during the program itself so the correct response Steps and incorrect response Spikes always reflect the current levers during the program 37 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 Figure B1 1 Example of a Fixed Ratio Schedule Shown in SoftCR 7 So
14. writing operations In contrast Save Data Flush automatically transfers all data to disk without requiring further intervention The Save Data Flush selection is identical to an MSN transition to STOPABORTFLUSH the default setting in MedLab8 programs Data may be written to disk while boxes are running without in any way interfering with the processing of events in those boxes See STOPABORT STOPABORTFLUSH and FLUSH in the MED PC IV Programmer s Manual for more information Figure 3 10 Saving Data Menu Options Configure View Macros Help A Wizard for Loading Boxes Open Session Ctrl O Close Session Save Data Manually Save Data Flush Print Ctrl P Form Feed Print Format d Exit Exit When Al Boxes are Finished Save Data Flush Regardless of the file naming and internal file format options selected during installation the process whereby data is dumped to disk is similar The simplest way to transfer data to disk is with the Flush option Once this command is invoked all data is automatically written to the appropriate disk directory and file name s without further input from the operator The Save Data Flush option is recommended for most users and is the simplest and safest way to transfer data to the hard disk in most situations Generally speaking this command is preferable if all data is to be written to a single drive and directory If a situation requires frequent swapping of disks or if dat
15. 100 0 200 253 247 100 0 200 61 100 0 200 444 100 30 0 200 1556 600 0 500 33 600 0 500 35 2 600 0 500 980 310 Absolute time elements are elements in which every time value is the Elapsed Time since the start of the procedure To change from Relative to Absolute simply remove that part of the code that sets T 0 and add T to those elements that now have a time value of 0 33 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Full Headers Nine Lines of Header The above example uses the Full Header format with nine lines of header information Keep in mind that the start date and time are defined the moment the procedure is loaded to a Box irrespective of the 4START command Note that times contain colons and the hour does not necessarily contain a leading zero if the hour is less than 10 however if the hour is 0 then a O will appear in the hour column The last line of the header contains the name of the MedState Notation MPC procedure file that generated the data Condensed Headers Two Lines of Header The MED PC IV DISKOPTIONS command permits the user to specify a CONDENSED header which in the Annotated format appears as shown below Two blank lines still precede each session s data irrespective of header format BOX 1 SUBJECT 1 EXPERIMENT 1 GROUP 3 MSN MedLab8 Fixed Interval START 09 22 04 10 54 47 END 09 22 04 10 59 51 34 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc App
16. ASSOCIATES INC SOF 700LA 1 MEDLAB8 Once the file is loaded use the Down Arrow key to move the cursor down to approximately Line 18 of the procedure The Line Character counter is in the lower right hand corner of the editor screen The line should read Pellet 3 Use the Right Arrow key the End Key or a Mouse to place the cursor over the three Delete the 3 and change it to a 4 To save the changed file go to File Save The file has been saved Translating and Compiling the Modified File Before closing Trans IV a few additional steps are required to incorporate the above change into the available procedure list in MED PC IV 1 Onthe menu bar select Translation Translate and Compile Figure 2 3 Translate and Compile Menu Option EX TRANS IV File Eer Window Help and Compile v Automatically Erase Temporary Files 2 Highlight the file name MedLab8 Fixed Ratio mpc and click Make Note The other procedures may be excluded by highlighting them and clicking Exclude 3 There should now be a letter M a tab space or two away from the file name 4 Click OK and the procedure should automatically Translate Parse and Compile 5 Whenit is finished close Trans IV by selecting to File Exit Figure 2 4 Compiling the MedLab8 Fixed Ratio Procedure i Specify Files to Translate 926FREQ MPC frb5wmpc mpc MEDLab8 Chain mpc MEDLab8 Discrimination mpc z MEDLab8 Fixed Interval mpc Build MEDLab8 Rand
17. Deselect All In order to issue the Response first select the Simulate Response option select to which Box or Boxes the command should go to then select which Input the command should come from e g if the Left Lever should be pushed select 1 if the Right Lever should be pushed select 2 followed by clicking on the Issue button Please note if 5 Responses are desired click the Issue button 5 times In the MedLab8 Fixed Ratio procedure several things happen when a Response 1 occurs First the Lever1 count increments by one Second if the default FR value FR 1 has not been changed a number 3 flashes at the end of the Box status line for 50 ms in the upper right hand corner This indicates that Output 3 has been turned on for 50 ms If an interface and chamber are connected the Pellet or Liquid Drop Dispenser should have been activated Issuing a Response 2 simply increments the Lever2 counter Remember because these displays are not in real time as discussed previously short output intervals such as this may not display consistently The only way to verify their occurrence is with the Interface and Output device connected 14 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED ASSOCIATES INC Ending a Session SOF 700LA 1 MEDLAB8 As it stands a Session Time has been entered for MedLab8 Fixed Ratio through the A SessionTime variable and the procedure will STOPABORTFLUSH automatically when the Sessi
18. W positions 1 5 If we are interested in one Box in particular clicking on that Box s name along the left hand side will display all of the SHOW positions for that one Box Up to 200 SHOW positions may be displayed at one time Double clicking on the red text will once again display all Boxes Right clicking on the red text that says All Boxes and selecting FLIP will cycle the display through each Box one at a time and display all 200 SHOW positions from each Box for 5 seconds at atime That is the SHOW output from the first Box is displayed for five seconds followed by the output from Box 2 etc Before cycling back to the first Box however a summary of the data as if ALL was selected is displayed It is worth noting that you may switch between these modes while the experiments are being run without affecting the data collection 213 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 Issuing a Response R Responses R Inputs may be simulated from the keyboard with or without the interface and test chambers Selecting Configure Signals on the menu bar accesses this feature Figure 3 7 Issuing a Response Command to Issue C Issue START Command Issue Issue K Pulse Synchronize Occurence Close Hel Simulate Response A diss nr Boxes R 1BOXES 1 R 1B0XxES 1 r2 F3 I R1 BOXES 1 I INE gt gi ut Sombie miki Select All
19. a is destined for different disks and is likely to be written to disk in close succession then Save Data Flush option will probably not be suitable In the event that an error occurs either during a Save Data Flush option from the menu or from a FLUSH command issued within an MSN program then the rest of the data dumping operation will proceed as though Save Data Manually was requested This is done so that error messages may be conveyed to the operator and so that the operator may indicate when the source of the error has been corrected Error conditions are normally reported by the appearance of a message box on the screen along with a description of the error 16 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Note that issuing a FLUSH or STOPABORTFLUSH from within an MSN program causes all data in the dumping queue to be written to disk not just the data associated with the box that initiated the request Save Data Manually This option is primarily intended for special situations in which a high degree of user control over the transfer process is required or when a unique file name should be assigned to each file This option may also be used to correct disk errors dump with ID Verification dump multiple copies of data to different floppy disks etc When this command is invoked a panel will appear with an input field containing the drive directory and default file name The file name may be edited if desired to any
20. and replace feature of most editors it is not necessary for proper operation To demonstrate the use of the Trans IV Editor the following illustration will change MedLab8 Fixed Ratio mpc for a system in which the Pellet dispenser is wired to Output 4 instead of Output 3 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 In Windows open the Trans IV software Figure 2 1 Open Trans IV H MED PC IV Trans IV To open a file go to File Open The default directory is C MED PC IV MPC and if the MedLab8 files were properly installed all eight of the procedures should be showing on the screen If not refer back to Installing the Software section in Chapter 1 Open the file MedLab8 Fixed Ratio mpc by double clicking on it in the Open pop up window Figure 2 2 Open the file MedLab8 Fixed Ratio mpc Look in C3 MPC DI ex ES A A926FREQ MPC E frBwmpc mpc E MEDLab8 Chain mpc E MEDLab8 Discrimination mpc Ei MEDLab Fixed Interval mpc MEDLab Fixed Ratio mpc Ei MEDLab8 Random Interval mpc S MEDLab8 Random Ratio mpc Ei MEDLab Variable Interval mpc E MEDLab8 Variable Ratio mpc E TIMETEST MPC My Network File name MEDLabs Fixed Riatio mpe Places The open file should now appear on the screen Files of type MSN Code MPC DI Cancel DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED
21. and turns on the stimulus light corresponding to the second correct lever A CorrectLev2 The animal must now press the second correct lever enough times to meet the second user defined FR A FRVal2 default value FR 5 Once the animal has met the second FR a reinforcement is issued A Session Time may also be entered by the user variable A SessionTime in minutes otherwise the default value of A SessionTime is 60 minutes Changes may be made prior to or after the procedure is started 29 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Change Named Variables First FR Correct Lever Left 1 Right 2 Default Left Lever Second FR Correct Lever Left 1 Right 2 Default Right Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes First Fixed Ratio Value Default 1 Second Fixed Ratio Value Default 5 Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Data Variables B Array is for the first FR First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Inc
22. ap MEO associates inc instrumentation and software for research MEDLABS BASIC SCHEDULES FOR MED PC SOF 700LA 1 USER S MANUAL DOC 020 Rev 1 7 Copyright 2012 All Rights Reserved Med Associates Inc P O Box 319 St Albans Vermont 05478 Phone 802 527 2343 Fax 802 527 5095 www med associates com Trademarks MedLab8 MED PC MedState Notation SmartCtrl SoftCR MED Associates Inc SOF 700LA 1 MEDLAB8 SOF 700LA 1 MEDLAB8 Table of Contents Chapter 1 Introduction gees 1 Software Description sossen na r E a a AE aaia 2 Running the Hardware Configuration Utility sees enne 2 Printing the MedLab8 MPCY Files oett teet eid eid te ta au rai eto et larg E PHI RR Eee rito 2 Chapter 2 Editing PFOCedUFES oorr ee 3 Modifying MedLab8 Procedures esses esee eene nennen nnne entere nennen sena 3 Translating and Compiling the Modified File 5 Chapter 3 MED PC IV Runtime System see ee ecce eene eee eene eene nennen nenas n EE EEN 6 ag ge rec Toro prit ra CIC Gil EE E EET 6 Interface Test E KE 6 The MED PC IV Runtime Screeh ioa ee rq Un Na a SER e A RON OSC SR MER TR EE 6 Running the FR Procedure nennen nennen ne nn nnn nsn r esee tenia a ana 8 Changing Variabl s rere ERI DE Ot DENIS 9 EICH RA RE 11 SHOW Data Froma BOX ET 11 The SHOWCOmPTQTIO a tdem tp MARI cence vt d esd cated cutn roit on Rau aum igh tetas vaste tiene 11 EEN 12 The SSHOW Display
23. ata Element Format Each data element must conform to the following format nnnnn xyz Where nnnnn Time Component xyz Control Code Component x Datum Type y Datum Index z Don t Care Digit NOTE If there are more then three numbers past the decimal point then the array will be considered invalid and will be ignored by SoftCR Allowed datum types and indices are nnnnn 1yz Response or Step 35 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc y Index 0 9 for Multi Trace Files NULL for Single Trace Files nnnnn 2yz Reinforcement or Pip y Index 0 9 for Multi Trace Files NULL for Single Trace Files nnnnn 3yz Reset Trace Pen For Single Trace data files and y is Pen Mode where y 0 Trace 0 Pen Up During Reset y 1 Trace 0 Pen Down During Reset Note This format overrides the Up Down option in edit parameters For Multi Trace data files y Index 0 9 nnnnn 4yz Unused nnnnn 5yz Set Event Pen To Level 0 Down or at baseline where y Event Pen Number 0 9 nnnnn 6yz Set Event Pen To Level 1 Up where y Event Pen Number 0 9 nnnnn 7yz Unused nnnnn 8yz Unused nnnnn 9yz Unused Data in the array being plotted that does not conform to the above rules will be ignored SoftCR for Windows stores in memory the maximum number of array elements allowed in MED PC IV which is currently 1 000 00 elements The maximum number of arrays allowed per Record is 26 the MED PC
24. ause time starts counting after a reward is given Run time starts counting on the first correct response 23 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Figure 4 4 Variable Interval Functional Diagram Variable Interval Routine VI Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine Pause and Run Correct Lever Step Time Routine Pause and Run Timer Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 MedLab8 Random Ratio mpc Random Ratio is a schedule of reinforcement in which the ratio specifies the probability with which a response will be reinforced For example in RR 5 that probability is 20 1 5 and is independent of the number of responses emitted since the last reinforcer Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Probability Value Default 5 Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Mean Proba
25. bility 1 5 0 20 24 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session Pause time starts counting after a reward is given Run time starts counting on the first correct response Figure 4 5 Random Routine Functional Diagram Random Ratio Routine RR Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine Pause and Run Correct Lever Step Time Routine Pause and Run Timer i Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 MedLab8 Random Interval mpc This schedule consists of two elements working together to create a random interval schedule For example RI 10 with Probability 20 means every two seconds conduct a probability test with 25 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc a one in five chan
26. ce of success For RI 10 with Probability 50 change A Prob 50 If A RIVal remains 10 seconds the S variable is now 5 seconds In other words every 5 seconds there is a one in two chance of success The Mean for both schedules is 10 seconds but the distribution of reinforcements is quite different Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Mean Random Interval sec Default 10 seconds Probability Value Default 20 percent Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total 96 Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session Pause time starts counting after a reward is given Run time starts counting on the first correct response 26 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Figure 4 6 Random Interval Functional Diagram Random Interval Routine
27. creen Displaying Named Variables from Box 1 Correct Lever Left 1 Right 2 Named vars Reward Pellet 1 Dipper 2 Drug 3 1 000 Reward Time sec 0 050 Za Time Out Following Reward 0 000 Refresh Session Time Min 60 000 Issue Fixed Ratio Value 1 000 Maximum Reinforcers 50 000 Close SoftCR Data Array Yes 1 No 0 1 000 Help Display Data from Box Additional Boxes to Update Si M2 Ms wm mo ER gf gf Select All Deselect All R The Change Variables screen may be brought up by selecting Configure Changing Variables Figure 3 4 Changing the value of any appropriate field changes only the Box whose data are displayed All Boxes may be changed by clicking Select All or only select Boxes may be changed by clicking the appropriate number s in the Additional Boxes to Update section of the window Clicking on the Named Vars button will display a list of variables that have been given a more descriptive name by the use of the Var_Alias command in the MSN procedure The user is also give the chance to change these named variables when a program is loaded using the Loading Wizard DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Changing the MedLab8 Fixed Ratio FR Value To modify the FR variable s value click on the Named Vars button A list of two variables will be displayed One of the rows will be labeled Fixed Ratio and its default value will be 1 To change this to an FR 5 replace 1 with 5 and click
28. ed by a brief description of what it was written to do as well as the variables that may be easily changed via the Change Variables Window or displayed on the screen or in data files In addition each program s text file the mpc files are full of comments that explain what each section of the program does and in many cases why they are done the way they are This is a very powerful tool for the user that wants to change the programs down the line or use these programs as a starting point for the development of personal programs MedLab8 Fixed Ratio mpc Fixed Ratio is a schedule of reinforcement in which a response is reinforced only after a specified number of responses This schedule produces a high steady rate of responding with only a brief pause after the delivery of the reinforcer Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Fixed Ratio Value Default 1 Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes 18 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total Incorrect Subsequent Rows in the B Array co
29. endix B SoftCR Each MedLab8 procedure stores IRT data in array C that may be used by the SoftCR Cumulative Recorder program to generate a graphical record on screen or to print a Cumulative Record after the data has been collected Each element in this Cumulative Record data array consists of two components The integer value or value to the left of the decimal point is the time component The decimal value or value to the right of the decimal point is a SoftCR code component Time Components Time components may be Relative or Absolute In a Relative file the time component of a given data element is equal to the elapse time since the previous element In an Absolute file it is equal to the elapse time since the beginning of the Record The elements used in MedLab8 are all Relative with a resolution of 0 1 seconds 100 milliseconds For example if array C contained just two elements 35 1 and 33 1 the record would consist of one Response Step at 3 5 seconds 35 0 1 and a second Response Step 3 3 seconds later at 6 8 seconds on the X Axis Control Code Components The control code component indicates whether the element is a Response Step Reinforcement Pip Pen Reset Event Pen Up or Event Pen Down element Up to 10 Event Pens 0 9 and 10 Trace Pens 0 9 may be specified in MED PC In addition Resets may be made with the Pen Up no vertical tracing or Down Additional coded information may be possible in the future D
30. endix C Contact Informiation iiue o oorr arare o o pn enun pana anni o num na nnda Eed Fab un nsn SNE 40 CHAPTER 1 INTRODUCTION MedLab8 is a set of eight MedState Notation MSN procedures first written for student lab stations with minimum configurations Each procedure is contained in a separate text file with extension MPC These files provide complete ready to run procedures as well as a valuable supplement to the MedState Notation programming manual supplied with MED PC IV MSN is a powerful developmental language that allows for much latitude in accomplishing any given task The files in MedLab8 illustrate just one way to create some basic schedules of reinforcement to document and collect simple data to create an array for SoftCR the Soft Cumulative Recorder and to time a session Before the MedLab8 procedures may be run it is necessary to run the MED PC IV Hardware Configuration Utility to assign the proper Port and Bit values for each Input and Output present It may also be necessary to edit the Input or Output constants in the procedures Files may then be translated and compiled with the Trans IV program Detailed instructions are provided in the next chapter It is recommended that a backup copy of the procedure files be made before modifying them to meet specific research or demonstration needs The sooner one becomes familiar with editing the MSN text files as well as translating and compiling the files with Trans
31. ftCR for Windows ES File View Help Subject 0 Start Date 10 03 07 File Name 12007 10 03 Experiment 0 Start Time 10 48 25 Source MedLab8 Fixed Ratio Res Ref Group D Duration 00 02 17 0 Record ID 1 1 C 38 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 Discrimination SoftCR Example The Discrimination program uses the same Steps Pips incorrect responses on Event Pen 0 and Time Outs on Event Pen 1 as described above In this case SoftCR Event Pen 2 records a plateau up when the stimulus light in On and records a valley down when the stimulus light is Off During the Stimulus Off period SoftCR records Spikes on Event Pen 3 for responses on Lever 1 and Spikes on Event Pen 4 for responses on Lever 2 Correct and Incorrect Spikes are not recorded during the stimulus off period instead the Event Pens 3 and 4 are recorded as Spikes An example of this is shown in Figure B1 2 Figure B1 2 Example of Discrimination Program in SoftCR 7 SoftCR for Windows fe fe Jf Eile View Help Subject 0 Start Date 10 31 07 File Name 2007 10 31 Experiment 0 Start Time 13 59 16 Source MedLab8 Discrimination Bes Ref Group D Duration 00 02 55 0 Record ID 1 1 0 Comment 50 s sh s 301 z St R 0 l 0 300 0 400 0 500 0 600
32. ntain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session Pause time starts counting after a reward is given Run time starts counting on the first correct response Figure 4 1 Fixed Ratio Functional Diagram Fixed Ratio Routine FR Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine Pause and Run Correct Lever Step Time Routine Pause and Run Timer e Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 19 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MedLab8 Fixed Interval mpc Fixed interval is a schedule of reinforcement in which the first response is rewarded only after a specified amount of time has elapsed This schedule causes high amounts of responding near the end of the interval but much slower responding immediately after the delivery of the reinforcer Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Rewa
33. ocedure is started with the default A SessionTime of 60 minutes and after it has run for 15 minutes it is decided that the procedure should end in 15 minutes A SessionTime must equal the total time the procedure should run Therefore changing A SessionTime to 15 cause the program to stop immediately and changing A SessionTime to 30 will allow the program to run for 15 more minutes before stopping 27 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Fixed Ratio Value Default 1 Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Discriminative Stimulus Duration Default 30 seconds Sec Stimulus Light Left 1 Right 2 Default Left Light Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total Incorrect Total Responses on Left Lever Total Responses on Right Lever Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Not Used 5 Column No
34. om Interval mpc MEDLab8 Random Ratio mpc MEDLab8 Variable Interval mpc MEDLab8 Variable Ratio mpc TIMETEST MPC Make No Trans bd rd bd bad POE bet bd bad Gd b Exclude wv OK X Cancel DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc CHAPTER 3 MED PC IV RUNTIME SYSTEM Introduction Once the procedures have been properly compiled simply selecting the proper procedure in the MED PC IV Loading Wizard or the Open Experimental Session Window allows the user to run them Note This chapter does not cover all runtime features For more information see Chapter 4 of the MED PC IV User s manual Interface Test Screen When MED PC IV starts an attempt is made to determine whether an interface is attached If MED PC IV starts directly into the Loading Wizard or its Runtime Screen it has detected that the hardware is configured properly and turned on If these conditions are not met MED PC IV will give the following warning message Figure 3 1 MED PC IV Warning Message Lowest numbered input card declared in hardware installation procedure For the Following rack s cannot be read Rack 1 Are all racks connected and powered up Select Yes if all racks are connected and powered Select NO to emulate hardware or Cancel to return to the operating system 1 Interface Present In the event that an interface is present and MED PC IV reports that it is not simply turn the power on and select Yes
35. on Time reaches the value of A SessionTime the default is 60 minutes A procedure that is running may also be terminated from the menu in either of three ways The File Close Session menu option brings up the following window Figure 3 8 Close Session Window STOPABORTFLUSH Close Experimental Sessions x Command to Issue Ze Stop Save Data Write Data to Disk StopAbortElush C Stop Save Data StopAbort Stop Abandon Data StopKill Cancel Help Select All Deselect All Figure 3 9 Close Session Window STOPKILL Close Experimental Sessions x Command to Issue C Stop Save Data Write Data to Disk Stop amp bortFlush C Stop Save Data Stop amp bort e Stop Abandon Data StopKill Boxes z2 m m m NE we Ec ms wi om ome wl Help Select All Deselect All In order to issue the stop command select the appropriate manner in which to stop the session and the Box or Boxes to stop Once this is done select OK 215 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Saving Data Two menu selections are provided for writing data to disk following the termination of a procedure terminated either from the menu or from within the procedure using the MSN Command STOPABORT Both options are located underneath the File option of the Menu Bar The first option Save Data Manually allows the operator to monitor and intervene in data
36. orrect Responses 4 Column Not Used 5 Column Not Used D Array is for the second FR First Row in the D Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total 96 Incorrect Subsequent Rows in the D Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Not Used 5 Column Not Used F Total Rewards S Elapsed Time in Session 30 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 Figure 4 8 Chain Functional Diagram Chain Routine Chain Main Body Counter Routine 1st Correct Lever Counter Counter Routine 1st Incorrect Lever Counter Counter Routine 2nd Correct Lever Counter Counter Routine 2nd Incorrect Lever Counter Reward Routine Reward Dispenser Step Routine Correct Lever Step Counter Routine Reward Counter Event Pen Spike Routine 1 Incorrect Lever Event Pen 0 Timer Routine SoftCR Timer Pip Routine x Reward Pip Timer Routine Session Timer Event Pen Routine Time Out Event Pen 1 31 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Appendix A Data File Formats MED PC IV can produce four format types and can place data in any array from A to Z as defined by the procedure MedLab8 always places IRT data in the C array uses a simple va
37. ranslate and compile In some instances however it will be necessary to make some configuration or procedural changes to accommodate various hardware packages These changes are quickly and easily made and will help demonstrate the flexibility that MED PC IV permits for running in diverse environments with an infinite number of programming variations not found in any other system Modifying MedLab8 Procedures A basic understanding of the MedState Notation MSN language is necessary to edit the procedures at the code level It is recommended that the user read the MedState Notation Programming Manual to gain this insight It is not necessary to have this knowledge however to parse compile and run MedLab8 Procedures or to make simple adjustments to the predefined constants if necessary The procedures of MedLab8 were written using the following constants to define each Input and Output Standard Input Configuration LeftLever 1 RightLever 2 Standard Output Configuration Pellet 3 Dipper 3 If both Pellet and Dipper are ordered It will be necessary to change one of thes LeftLight RightLight HouseLight co A OD A Pump NOTE The procedures as written will work with either Pellet or Liquid Drop Dispensers without modification When using a Liquid Drop Dispenser the word Pellet may be replaced with the word Liquid for clarification Although this is easily done with the search
38. rd Default 0 seconds Session Time Min Default 60 minutes Fixed Interval Value sec Default 1 second Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total 96 Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session Pause time starts counting after a reward is given Run time starts counting on the first correct response 20 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Figure 4 2 Fixed Interval Functional Diagram Fixed Interval Routine FI Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine Pause and Run Correct Lever Step Time Routine Pause and Run Timer i Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 SoftCR Timer Pip Routine Timer Routine Reward Pip Session Timer Event Pen Routine Time Out Event Pen 1 MedLab8 Variable Ratio mpc Variable Ratio is a schedule of reinforcement in which a response is reinforced after an
39. riable for the reinforcement counter and uses both simple variables and array variables for response counters We recommend the use of the Annotated File Format which we will explain in great detail here For detailed explanations of the other three file formats please refer to the MED PC IV User s Manual Format 1 Annotated The MED PC IV Annotated file format creates an output file that is easy to read with labels for each data element It may contain data from multiple sessions depending upon the file naming conventions used to generate the data See the MED PC IV manual for file naming conventions Annotated data files always begin with the name of the data file on line 1 Two lines are then skipped and header information begins All simple variables are listed next followed by all array elements These will normally be in alphabetical order unless otherwise specified in the DISKVARS command In the event that more than one data set is in the data file two lines are skipped following the last data element in the previous data set and the Start Date forms the first line of the next data set The file designation line is not repeated Explanations of the contents of the B Array are shown in blue below The first row of the B Array is totals and each subsequent row contains trial data The C Array is the SoftCR Array Sample Printout File C MED PC IV DATA 2007 09 11 21h03m Subject 1 Start Date 09 11 07 End Date
40. sed to configure each chamber accessory to specific interface modules A wiring chart supplied with chambers assembled by MED Associates Inc clearly identifies each UO Input Output by function and provides the proper Port and Bit values for each chamber If setting up a system for the first time it is necessary to run this program before the MedLab8 procedures may be used with the interface and test chambers Refer to the MED PC IV Users Manual for additional information on Ports Bits and the running of Hardware Configuration Utility Systems using the SmartCtrl Interface Modules require that the number of Boxes and the model number of the SmartCtrl cards being used is identified Printing the MedLab8 MPC Files The MSN files contain useful information on the function of each procedure These files may be loaded into the Trans IV Notepad or any other text editor and printed For example to open and print the file MedLab8 Fixed Ratio mpc with Trans IV go to File Open select the file MedLab8 Fixed Ratio mpc and then select File Print In order to gain insight on how the code works pay particular attention to the text that is preceded by a back slash XJ These are Comments that are placed throughout the code to give the user information about the protocol DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc CHAPTER 2 EDITING PROCEDURES For users with a SmartCtrl interface system the MedLab8 procedures should be ready to t
41. t Used 6 Column Response on Left Lever 7 Column Response on Right Lever F Total Rewards S Elapsed Time in Session 28 DOC 020 Rev 1 7 Copyright O 2012 MED Associates Inc Figure 4 7 Discrimination Functional Diagram Discrimination Routine Discrimination Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Counter Routine Lever 1 Counter Counter Routine tever 2 Counter Event Pen Spike Routine Lever 1 amp 2 Event Pen 3 amp 4 Reward Routine Reward Dispenser Step Routine Counter Routine Correct Lever Step Reward Counter Event Pen Spike Routine Timer Routine Incorrect Lever Event Pen 0 Stimulus Control Timer Pip Routine Timer Routine Reward Pip SoftCR Timer Event Pen Routine Timer Routine Time Out Event Pen 1 Session Timer Event Pen Routine Stimulus Event Pen 2 MedLab8 Chain mpc This procedure chains two responses together and is intended be run in test chambers with two standard response levers The procedure begins by checking which lever has been user defined as the first correct lever A CorrectLev1 and turn on the corresponding stimulus light The animal must then press the first correct lever enough times to meet the first user defined FR A FRVal1 default value FR 1 Once the first FR has been met the program turns off the stimulus light corresponding to the first correct lever
42. te the screen The values eventually shown on the screen reflect the values of their respective variables at the moment that their respective SHOW commands were issued In practice the SHOW screen is usually updated within a small fraction of a second after any changes are made by active Boxes Most users would probably not even notice that updates are not in real time except in the case of displaying running response totals for rapidly responding subjects in which case the response total shown on the screen appears to discontinuously count up For example response totals might display as 1 3 7 8 etc instead of 1 2 3 4 5 6 7 8 etc SIZ DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc MED ASSOCIATES INC SOF 700LA 1 MEDLAB8 The SHOW Display Figure 3 6 The SHOW Display MED PC IV x File Configure View Macros Help Solo alale Se ua Box Subject Experiment Group Load Program Fal ESI 1 lo lo lo 10 51 MedLab8 Fixed Ratio EE 4 D DS DS ES ES Es SE Box1 Session 60 00 FR 1 00 eL 10 30 2008 10 54 44 AM File A Wizard for Loading Boxes Looking at Figure 3 6 we are interested with the text that says All Boxes in red on the left hand side of the screen This is the way in which the display of data may be changed By default the All Boxes option will be selected This provides the user with a summary of data from every Box loaded It displays only SHO
43. unpredictable number of responses This schedule creates a high steady rate of responding Gambling and lottery games are good examples of a reward based on a variable ratio schedule Change Named Variables Correct Lever Left 1 Right 2 Default Left Lever Reward Pellet 1 Dipper 2 Drug 3 Default Pellet Reward Time sec Default 0 05 seconds Time Out Following Reward Default 0 seconds Session Time Min Default 60 minutes Mean Variable Ratio Default 5 Maximum Reinforcers Default 50 SoftCR Data Array Yes 1 No 0 Default Yes 21 DOC 020 Rev 1 7 Copyright 2012 MED Associates Inc Data Variables First Row in the B Array contains the following data Total Responses Total Correct Response Count Total Incorrect Response Count Total Correct Total Incorrect Subsequent Rows in the B Array contain the following format 1 Column Trial Number 2 Column Correct Responses 3 Column Incorrect Responses 4 Column Pause sec 5 Column Run Time sec F Total Rewards S Elapsed Time in Session Pause time starts counting after a reward is given Run time starts counting on the first correct response Figure 4 3 Variable Ratio Functional Diagram Variable Ratio Routine VR Main Body Counter Routine Correct Lever Counter Counter Routine Incorrect Lever Counter Reward Routine Reward Dispenser Counter Routine Reward Counter Step Routine
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