<div dir="ltr">I'm trying to edit someone else's experiment in E-Prime V1. <br><br>They have a procedure that contains 8 objects. 4 of these objects are slides which contain images. The slides have duration = 0. The other 4 objects are bits of inline code that calls another procedure which contains 1) a slide with duration 1000 which has a 'soundout' object of duration 1000 that terminates on a keyboard response. 2) a further bit of code = sleep(1000-c.getattrib("TonePlay.rt")). This last bit of code I think tries to ensure that the procedure lasts 1000 regardless of the reaction time to the sound.<br><br>The image slides are interespersed with the inline code that call the audio procedure i.e.<br><br>Image Slide Duration = 0<br>Code calling audio proc, duration 1000ms<br>Image Slide Duration = 0<br>Code calling audio proc, duration 1000ms<br>Image Slide Duration = 0<br>Code calling audio proc, duration 1000ms<br>Image Slide Duration = 0<br>Code calling audio proc, duration 1000ms<br><br>My screen refresh is 60hz. The idea of the code is that the Images and Audio display together for 1000s each, with the audio (but not the image) terminating on response. It works apart from the fact that the audio loads 16/17ms after the image - i.e. 1 screen refresh. The ISI between sucessive audio stimuli is 1034ms rather than 1000ms (i.e. two screen refreshes too long). Could anyone tell me why these delays are occurring? I presume the system is losing a refresh for every object loading (i.e. a delay = to a screen refresh is occuring when E-prime moves between the slide object and the inline code object. I've tried putting a pre-release value of 20ms on the slides but this doesn't seem to have had any effect. Does any have any ideas as to how to solve this?<br><br>Thanks<br>Rob<br><br> </div>
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