My code calls waitKeys(…) to get keypresses and reaction times. 90% of the time it works perfectly, but occasionally when I launch it I get this (exactly this, not an infinite repetition): PTB-WARNING: During PsychHID invocation: Some other running application is preventing me from accessing the k…

Intermittent: PTB-WARNING: During PsychHID invocation: Some other running application is preventing me from accessing the keyboard/keypad/mouse/...!

wakecarter February 12, 2022, 7:47am 2

Have a look at slide 20 of my PsychoPy Primer slides for how to enable input monitoring on a Mac.

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