stimulus presentation not interrupted by response

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stimulus presentation not interrupted by response

stimulus presentation not interrupted by response

Author	Message
Anamaria	Anamaria posted 13 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 13, Visits: 1	Hi Dave, I just have a quick question regarding the erase function. I would like the stimulus ‘’eraserm’’ to be displayed on the screen for all the duration of the trial, so that it is not interrupted by the response of the participant. I have defined ‘’ / erase = false’’ and ‘’/ responseInterrupt=false’’, but the stimulus is still interrupted by the response. Could you please help me figure this out? Thank you. Ana <picture eraserm> / numitems = 1 / items = eraser / position = (50, 50) / erase = false </picture> <trial CSpun_base> / pretrialpause= 700 / trialcode = "CSpun_base" / validresponse = ("q", "s") / correctresponse = ("q") / errormessage = (errormessage, 500) / responsemode = timeout (1500) / stimulustimes = [0= kaderm, CSpun, CSpunS; 100 = eraserm, ?] / responseInterrupt = false / posttrialpause= 700 </trial>
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Dave	Dave posted 13 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 108K	‘’/ responseInterrupt=false’ 'false' is not a valid setting for /responseinterrupt. Valid settings are 'immediate', 'trial' and 'frames', details are available in the documentation.
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Anamaria	Anamaria posted 13 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 13, Visits: 1	Sure, but...whether I use 'immediate', 'frames', or 'trial', the presentation of the stimulus is still interrupted by my response. Any idea what goes wrong? Thanks.
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Dave	Dave posted 13 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 108K	Your trial does not have a specified fixed duration, thus it necessarily ends as soon as a response is provided. A timeout merely sets a maximum duration, for a fixed duration you need to use trialduration. In this context, please work through the "How to Control Trial Duration and Inter-Trial Intervals" topic first to understand how the various timing components relate to each other.
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