AAT stimuli do not disappear


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BrAri
BrAri
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Hi all,
I have been using the AAT task on PC with a logitech joystick for a pilot study with success. However, the main study is to take place in MRI environment, requiring a special MRI-safe joystick. The "throw" or range of Y axis movement is smaller than the logitech. This results in the stimuli not "zooming" enough to end the trial upon correct response. I have adjust script to make stimuli zoom more during response, such that they properly zoom: when they are "pushed,"  they shrink to an acceptably small size, and when "pulled," fill the screen. However, they do not disappear and instead return to normal size when the joystick is returned to 0,0...Thus the trial does not end. This seems like a reasonably quick fix (I hope) but my trial and error has yielded no success...Any help is appreciated.

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