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Group: Administrators
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<trial licht>
/ stimulusframes = [60 = mysignal; 120 = mysignal2; 180 = mysignal]
/ trialduration = 360
</trial>
That trial is set to a duration of 360 ms (/trialduration). However, you are using /stimulusframes, i.e., supposing your display is running at 100Hz, the 1st signal only occurs at 600 ms, the 2nd one at 1200 ms, the 3rd at 1800 ms. The trial is over by then. The same is true (and even more extreme) if your display is running at a lower refresh rate (50 or 60 Hz).
You'll probably want to use /stimulustimes instead or increase the trial duration significantly.
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