Hello all,<br><br>I'm currently running EPrime 2.0 with extensions for Tobii for eyetracking. I have this problem where in the data, every trial seems to have a couple of points in which "-1" is returned for the fixation location. I've heard that this is caused by the display refreshing after a certain amount of time. Is there any way to control when the display refreshes so it won't do that when a stimulus is being presented?<br>
<br>It should be noted that my stimuli only display for 4500 ms, so it doesn't have to refresh while the stimulus is up.<br><br>Adam<br><br>
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