Behavior Research Methods

, Volume 46, Issue 2, pp 416–428

Expyriment: A Python library for cognitive and neuroscientific experiments


DOI: 10.3758/s13428-013-0390-6

Cite this article as:
Krause, F. & Lindemann, O. Behav Res (2014) 46: 416. doi:10.3758/s13428-013-0390-6


Expyriment is an open-source and platform-independent lightweight Python library for designing and conducting timing-critical behavioral and neuroimaging experiments. The major goal is to provide a well-structured Python library for script-based experiment development, with a high priority being the readability of the resulting program code. Expyriment has been tested extensively under Linux and Windows and is an all-in-one solution, as it handles stimulus presentation, the recording of input/output events, communication with other devices, and the collection and preprocessing of data. Furthermore, it offers a hierarchical design structure, which allows for an intuitive transition from the experimental design to a running program. It is therefore also suited for students, as well as for experimental psychologists and neuroscientists with little programming experience.


Software Programming library Python Experimental design Stimulus presentation 

Copyright information

© Psychonomic Society, Inc. 2013

Authors and Affiliations

  1. 1.Donders Institute for Brain, Cognition and BehaviourRadboud UniversityNijmegenThe Netherlands
  2. 2.Division of Cognitive ScienceUniversity of PotsdamPotsdamGermany
  3. 3.NijmegenThe Netherlands

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