Hi Edwin, Hope you are doing well in Cambridge. I intend to use movie stim (facial emotion/gender morph) with Psygaze on Eyelink 1000. I'd like to record the pupil size only. But , the point is that I want the participants to make a mouse click on a bar as soon as they detect a change toward one of these emotions in the faces. For example for emotion task one end of the bar shows an angry face and one end happy face (we also have a gender morph version). Any tip on how to get around this? First time for me to use the PsyGaze, sorry if the question sounds stupid.
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