====== Psychopy ====== [[https://psychopy.org/about/overview.html|psychopy]] ([[https://github.com/psychopy/psychopy?tab=readme-ov-file#psychopy|source code]]) is experiment creation software. It provides both a graphical interface: [[https://psychopy.org/builder/index.html#builder|"Builder"]] a la [[mr:task:eprime]]; and a python library: ''psychopy''/"[[https://psychopy.org/coder/index.html#coder|"Coder"]] a la MATLAB/[[:mr:task:psychtoolbox|Psychtoolbox]]. As of 2026-07-07, [[:scan:terrax7t]] uses version [[https://github.com/psychopy/psychopy/releases?page=2#release-2024.2.4|2024.2.4]]. GUI built versions on e.g. ''2026.2.0'' have incompatible sound components. Design your experiment with the same version that will run it (2024.2.4). ===== Builder ===== Set keyboard interface to wait for ''='' **release**. Also see [[:mr:task:trigger|Triggering Task Start]] and [[:mr:task#log_task_start_time|Log Task Start Time]]