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1.83.04 / 4 February 2016
|License||GNU GPL v3+|
Unlike most packages it provides users with a choice of interface; generate experiments by writing Python scripts or through a graphical interface which will generate a script for them (or by a combination of the two).
History and versions
- 2003: PsychoPy was originally written by Peirce as a proof of concept - that a high-level scripting language could generate experimental stimuli in real time (existing solutions, such as Psychtoolbox, had to pre-generate movies or use CLUT animation techniques).
- 2003-2005: this was extended to be able to generate experiments in the author's lab at Nottingham University and made available as an open source project on the internet. At this time PsychoPy was a library (Python package) that could be imported by Python scripts. Installing was complex because of the dependencies.
- 2006: An editor was added, so that users could use PsychoPy as an 'application' rather than a library
- April 2009: Version 1.0 released, including all main features of the library (but with some bugs in the win32 installer)
- September 2009: Version 1.50 released, including various bug fixes to the underlying library and preview of new GUI interface, to become PsychoPy2. This new interface, the Builder view, allowed users to generate a very wide range of experiments without a knowledge of programming.
- April 2011: Used for both research and undergraduate teaching at various universities. Over 1500 users per month worldwide. Still at Version 1.64 (not yet v2.00), due to remaining issues especially with the Builder interface.
- October 2012: Version 1.75.01 released
- Jonathan Peirce
- Jeremy Gray
- Yaroslav Halchenko
- Peirce, J.W. (2007). PsychoPy - psychophysics software in Python. Journal of Neuroscience Methods 162:8-1
- Peirce, J.W. (2008). Generating stimuli for neuroscience using PsychoPy. Frontiers in Neuroinformatics, 2: 10
- Peirce "'PsychoPy usage", PsychoPy usage, accessed April 26, 2011.