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About PsychoPy

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PsychoPy is an open-source application to allow the presentation of stimuli and collection of data for a wide range of neuroscience, psychology and psychophysics experiments. It’s a free, powerful alternative to Presentation™ or e-Prime™, written in Python (a free alternative to Matlab™ ).


Latest version: 1.80.0 was released Mar 2014, with many improvements to the user interface (e.g. dialog boxes), more precise degrees of visual angle (optionally correct for flat panels) and

See complete Changelog for complete list of additions and fixes

Upcoming Workshops:

P4N 2014: Python for Neuroscience (and Psychology)

There will be a 3-day Python Workshop 28-20th April 2014 at Nottingham University, with novice and intermediate streams. We’ll follow that with 2 days of a ‘code sprint’ for developers of PsychoPy. You can book before 14th April (or until all places are filled) at Nottingham’s online store