Expyriment
A high-performance Python library for cognitive and neuroscientific experiments.
Development
Open Source
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Stimulus presentation
Reaction time measurement
Hardware synchronization
PsychoPy
4.7
Freemium Highly regarded for its flexibility, precision, and ease of use, especially for psychophysics research.
A free, open-source application for creating behavioral experiments.
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Refined 3/2/2026
About PsychoPy
PsychoPy is a free, open-source software package written in Python, primarily used for creating and running behavioral experiments. It offers both a graphical interface (Builder) for designing experiments without coding and a Coder interface for more flexible, script-based experiment creation. PsychoPy supports precise timing for psychophysics research, hardware-accelerated graphics using OpenGL, and integration with a variety of hardware such as eye trackers and button boxes. It leverages the PsychoJS JavaScript library and Pavlovia.org for online experiment deployment, enabling researchers to collect data remotely. The architecture allows for dynamic stimulus updates frame-by-frame and seamless integration with neuroimaging equipment, making it suitable for a wide range of experimental paradigms.
Core Capabilities
PsychoPy is a free, open-source software package written in Python, primarily used for creating and running behavioral experiments.
Main Tasks
Stimulus Presentation
Explore all tools that specialize in stimulus presentation. This domain focus ensures PsychoPy delivers optimized results for this specific requirement.
