setting a different trial duration for every trial

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setting a different trial duration for every trial

setting a different trial duration for every trial

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nrouhani	nrouhani posted 6 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 83, Visits: 261	+x Dave - Monday, March 18, 2019 +x nrouhani - Monday, March 18, 2019 hello, i was wondering whether it would be possible to have every trial have a different duration, where that trial's duration would be pulled from a list. thank you! Yes, that is absolutely possible. The /triaduration attribute accepts variables, i.e. you can easily vary it like so: <values> / duration = 0 </values> <list durations> / items = (1500, 3000, 4500) </list> <trial exampletrial> / ontrialbegin = [ values.duration = list.durations.nextvalue; ] / stimulusframes = [1=examplestimulus] / validresponse = (0) / trialduration = values.duration </trial> <text examplestimulus> / items = ("Duration of this trial: <%values.duration%> ms.") </text> <block exampleblock> / trials = [1-3=exampletrial] </block> thank you so much!
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Dave	Dave posted 6 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 108K	+x nrouhani - Monday, March 18, 2019 hello, i was wondering whether it would be possible to have every trial have a different duration, where that trial's duration would be pulled from a list. thank you! Yes, that is absolutely possible. The /triaduration attribute accepts variables, i.e. you can easily vary it like so: <values> / duration = 0 </values> <list durations> / items = (1500, 3000, 4500) </list> <trial exampletrial> / ontrialbegin = [ values.duration = list.durations.nextvalue; ] / stimulusframes = [1=examplestimulus] / validresponse = (0) / trialduration = values.duration </trial> <text examplestimulus> / items = ("Duration of this trial: <%values.duration%> ms.") </text> <block exampleblock> / trials = [1-3=exampletrial] </block>
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nrouhani	nrouhani posted 6 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 83, Visits: 261	hello, i was wondering whether it would be possible to have every trial have a different duration, where that trial's duration would be pulled from a list. thank you!
	Reply Like 29