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A demo of how to change a stimulus dynamically using a slider

This demo presents food items and measures viewers’ facial expressions in real time using PsychoJS Face API, without saving webcam video.

Please cite: Bölling, L., 2022-03-10. Config-File-Parameterization of online and offline experiments in PsychoPy-Builder [Computer software]. Pavlovia. https://gitlab.pavlovia.org/luke.boelling/configfiledemo.