Monetary Incentive Delay Task on Inquisit 4


Monetary Incentive Delay Task on Inquisit 4

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Ozge
Ozge
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Hello all,

I have purchased Inquisit 5 but because of the parallel port issue we cannot change the computer which is compatible with Inquisit 4. That is why I am desperately trying to write MID task on Inquisit 4 to use with EEG. So far I assume that I fixed some errors but I still have some problems with the script. Expressions part and trial.incentive part don't work. Can you please help me??

<expressions >
/ meanRT_baseline = trial.baseline.totalmeanlatency
/ SD_baseline = trial.baseline.totalsdlatency
/ baselineRT60 = 0.2533*expressions.SD_baseline + expressions.meanRT_baseline
/ determineDuration = round(expressions.baselineRT60)
/ propCorrect_IncentiveReward = values.countcorrect_IncentiveReward/values.count_IncentiveReward
/ propCorrect_NonIncentiveReward = values.countcorrect_NonIncentiveReward/values.count_NonIncentiveReward
/ propCorrect_IncentivePunishment = values.countcorrect_IncentivePunishmnet/values.count_IncentivePunishment
/ propCorrect_NonIncentivePunishment = values.countcorrect_NonIncentivePunishment/values.count_NonIncentivePunishment
/ propCorrect_IncentiveControl = values.countcorrect_IncentiveControl/values.count_IncentiveControl
/ propCorrect_NonIncentiveControl = values.countcorrect_NonIncentiveControl/values.count_NonIncentiveControl
</expressions>


Attachments
monetaryincentivedelaytask.iqx (84 views, 35.00 KB)
Dave
Dave
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Ozge - Wednesday, August 15, 2018
Hello all,

I have purchased Inquisit 5 but because of the parallel port issue we cannot change the computer which is compatible with Inquisit 4. That is why I am desperately trying to write MID task on Inquisit 4 to use with EEG. So far I assume that I fixed some errors but I still have some problems with the script. Expressions part and trial.incentive part don't work. Can you please help me??

<expressions >
/ meanRT_baseline = trial.baseline.totalmeanlatency
/ SD_baseline = trial.baseline.totalsdlatency
/ baselineRT60 = 0.2533*expressions.SD_baseline + expressions.meanRT_baseline
/ determineDuration = round(expressions.baselineRT60)
/ propCorrect_IncentiveReward = values.countcorrect_IncentiveReward/values.count_IncentiveReward
/ propCorrect_NonIncentiveReward = values.countcorrect_NonIncentiveReward/values.count_NonIncentiveReward
/ propCorrect_IncentivePunishment = values.countcorrect_IncentivePunishmnet/values.count_IncentivePunishment
/ propCorrect_NonIncentivePunishment = values.countcorrect_NonIncentivePunishment/values.count_NonIncentivePunishment
/ propCorrect_IncentiveControl = values.countcorrect_IncentiveControl/values.count_IncentiveControl
/ propCorrect_NonIncentiveControl = values.countcorrect_NonIncentiveControl/values.count_NonIncentiveControl
</expressions>


You have not defined any of the values your expressions element expects. You need to do that, i.e. add those to the script's existing <values> element or define an additional one.

<values>
/countcorrect_IncentiveReward = 0
/count_IncentiveReward = 0
/countcorrect_NonIncentiveReward = 0
/count_NonIncentiveReward = 0
/countcorrect_IncentivePunishmnet = 0
/count_IncentivePunishment = 0
/countcorrect_NonIncentivePunishment = 0
/count_NonIncentivePunishment = 0
/countcorrect_IncentiveControl = 0
/count_IncentiveControl = 0
/countcorrect_NonIncentiveControl = 0
/count_NonIncentiveControl = 0
</values>

And then, of course, you need to actually make sure those values get updated per your <trial>'s /ontrialend logic. Otherwise they won't do anything useful. I.e.

<trial incentive>
...
/ ontrialend = [
    trial.incentive.resetstimulusframes();
    values.iti = values.trialduration - values.cueduration - values.delayduration - trial.incentive.latency - values.feedbackduration;
    if (values.exp_condition == 0) {
        values.count_IncentiveControl += 1;
        values.countcorrect_IncentiveControl += trial.incentive.correct;

        list.successIncentive_Control.insertitem(trial.incentive.correct, 1);
    } else if (values.exp_condition == 1) {
        values.count_IncentiveReward += 1;
        values.countcorrect_IncentiveReward += trial.incentive.correct;

        list.successIncentive_Reward.insertitem(trial.incentive.correct, 1);
    } else if (values.exp_condition == 2) {
        values.count_IncentivePunishment += 1;
        values.countcorrect_IncentivePunishmnet += trial.incentive.correct;

        list.successIncentive_Punishment.insertitem(trial.incentive.correct, 1);
    } ;
]       
/ branch = [trial.feedback]
</trial>

Analogously for <trial nonincentive>, i.e. update the *nonincentive* count and correct count values there.

Then:

<trial incentive>
...
/ response = timeout(values.targetduration)
/ validresponse = (values.responsekey)
/ correctresponse = (values.responsekey)
...
</trial>

is not valid Inquisit 4 syntax and needs to read

<trial incentive>
...
/ timeout = values.cueduration + values.delayduration + values.targetduration
/ isvalidresponse = [trial.incentive.response == values.responsekey]
/ iscorrectresponse = [trial.incentive.response == values.responsekey]
...
</trial>

instead. Again, you need to change <trial nonincentive> analogously.

Edited
4 Months Ago by Dave
Ozge
Ozge
Associate Member
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Group: Forum Members
Posts: 13, Visits: 74
Dave - Wednesday, August 15, 2018
Ozge - Wednesday, August 15, 2018
Hello all,

I have purchased Inquisit 5 but because of the parallel port issue we cannot change the computer which is compatible with Inquisit 4. That is why I am desperately trying to write MID task on Inquisit 4 to use with EEG. So far I assume that I fixed some errors but I still have some problems with the script. Expressions part and trial.incentive part don't work. Can you please help me??

<expressions >
/ meanRT_baseline = trial.baseline.totalmeanlatency
/ SD_baseline = trial.baseline.totalsdlatency
/ baselineRT60 = 0.2533*expressions.SD_baseline + expressions.meanRT_baseline
/ determineDuration = round(expressions.baselineRT60)
/ propCorrect_IncentiveReward = values.countcorrect_IncentiveReward/values.count_IncentiveReward
/ propCorrect_NonIncentiveReward = values.countcorrect_NonIncentiveReward/values.count_NonIncentiveReward
/ propCorrect_IncentivePunishment = values.countcorrect_IncentivePunishmnet/values.count_IncentivePunishment
/ propCorrect_NonIncentivePunishment = values.countcorrect_NonIncentivePunishment/values.count_NonIncentivePunishment
/ propCorrect_IncentiveControl = values.countcorrect_IncentiveControl/values.count_IncentiveControl
/ propCorrect_NonIncentiveControl = values.countcorrect_NonIncentiveControl/values.count_NonIncentiveControl
</expressions>


You have not defined any of the values your expressions element expects. You need to do that, i.e. add those to the script's existing <values> element or define an additional one.

<values>
/countcorrect_IncentiveReward = 0
/count_IncentiveReward = 0
/countcorrect_NonIncentiveReward = 0
/count_NonIncentiveReward = 0
/countcorrect_IncentivePunishmnet = 0
/count_IncentivePunishment = 0
/countcorrect_NonIncentivePunishment = 0
/count_NonIncentivePunishment = 0
/countcorrect_IncentiveControl = 0
/count_IncentiveControl = 0
/countcorrect_NonIncentiveControl = 0
/count_NonIncentiveControl = 0
</values>

And then, of course, you need to actually make sure those values get updated per your <trial>'s /ontrialend logic. Otherwise they won't do anything useful. I.e.

<trial incentive>
...
/ ontrialend = [
    trial.incentive.resetstimulusframes();
    values.iti = values.trialduration - values.cueduration - values.delayduration - trial.incentive.latency - values.feedbackduration;
    if (values.exp_condition == 0) {
        values.count_IncentiveControl += 1;
        values.countcorrect_IncentiveControl += trial.incentive.correct;

        list.successIncentive_Control.insertitem(trial.incentive.correct, 1);
    } else if (values.exp_condition == 1) {
        values.count_IncentiveReward += 1;
        values.countcorrect_IncentiveReward += trial.incentive.correct;

        list.successIncentive_Reward.insertitem(trial.incentive.correct, 1);
    } else if (values.exp_condition == 2) {
        values.count_IncentivePunishment += 1;
        values.countcorrect_IncentivePunishmnet += trial.incentive.correct;

        list.successIncentive_Punishment.insertitem(trial.incentive.correct, 1);
    } ;
]       
/ branch = [trial.feedback]
</trial>

Analogously for <trial nonincentive>, i.e. update the *nonincentive* count and correct count values there.

Then:

<trial incentive>
...
/ response = timeout(values.targetduration)
/ validresponse = (values.responsekey)
/ correctresponse = (values.responsekey)
...
</trial>

is not valid Inquisit 4 syntax and needs to read

<trial incentive>
...
/ timeout = values.cueduration + values.delayduration + values.targetduration
/ isvalidresponse = [trial.incentive.response == values.responsekey]
/ iscorrectresponse = [trial.incentive.response == values.responsekey]
...
</trial>

instead. Again, you need to change <trial nonincentive> analogously.

Thank you so much Dave, it worked!! But, now the response key (when I press the spacebar after square) it doesn't move on, it doesn't accept the response. I don't know why..I think the problem is below, not sure. I tried but couldn't fix it. I actually want participants to click on mouse (both sides clicks) to respond while they are under EEG.. Is that possible to modify the response??

Thanks in advance

Özge.


<expressions>
/buttoninstruct1 = if (values.responsekey){"SPACE response button which will be located at the bottom of your screen";} else {"<SPACEBAR>";}
/buttoninstruct2 = if (values.responsekey){"response button";} else {"<SPACEBAR>";}
</expressions>


Ozge
Ozge
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Posts: 13, Visits: 74
The iqx file is attached below.
Attachments
Dave
Dave
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Ozge - Thursday, August 16, 2018
The iqx file is attached below.

Just as in the incentive and nonincentive trials,

<trial baseline>
/ ontrialbegin = [
    values.delayduration = list.delay.nextvalue;
    trial.baseline.insertstimulustime(shape.target, values.delayduration);
]
/ validresponse = (values.responsekey)
/ beginresponsetime = values.delayduration
/ ontrialend = [
    trial.baseline.resetstimulusframes();
    list.baselineRT.insertitem(trial.baseline.latency, 1);
]
</trial>

is NOT valid Inquisit 4 syntax. This, then, analogously to the changes in <trial incentive> and <trial nonincentive> ought to read
mo
<trial baseline>
/ ontrialbegin = [
    values.delayduration = list.delay.nextvalue;
    trial.baseline.insertstimulustime(shape.target, values.delayduration);
]
/ isvalidresponse =  [trial.baseline.response == values.responsekey]
/ beginresponsetime = values.delayduration
/ ontrialend = [
    trial.baseline.resetstimulusframes();
    list.baselineRT.insertitem(trial.baseline.latency, 1);
]
</trial>
Attachments
Ozge
Ozge
Associate Member
Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)Associate Member (180 reputation)

Group: Forum Members
Posts: 13, Visits: 74
Dave - Thursday, August 16, 2018
Ozge - Thursday, August 16, 2018
The iqx file is attached below.

Just as in the incentive and nonincentive trials,

<trial baseline>
/ ontrialbegin = [
    values.delayduration = list.delay.nextvalue;
    trial.baseline.insertstimulustime(shape.target, values.delayduration);
]
/ validresponse = (values.responsekey)
/ beginresponsetime = values.delayduration
/ ontrialend = [
    trial.baseline.resetstimulusframes();
    list.baselineRT.insertitem(trial.baseline.latency, 1);
]
</trial>

is NOT valid Inquisit 4 syntax. This, then, analogously to the changes in <trial incentive> and <trial nonincentive> ought to read
mo
<trial baseline>
/ ontrialbegin = [
    values.delayduration = list.delay.nextvalue;
    trial.baseline.insertstimulustime(shape.target, values.delayduration);
]
/ isvalidresponse =  [trial.baseline.response == values.responsekey]
/ beginresponsetime = values.delayduration
/ ontrialend = [
    trial.baseline.resetstimulusframes();
    list.baselineRT.insertitem(trial.baseline.latency, 1);
]
</trial>

Thank you very much Dave!
GO


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