Psychtoolbox-3

Psychophysics Toolbox Version 3 (PTB-3) is a free set of Matlab and GNU Octave functions for vision and neuroscience research. It makes it easy to synthesize and show accurately controlled visual and auditory stimuli and interact with the observer. Some of its functionality is available as part of Python toolkits like PsychoPy. For commercial support and services visit www.psychtoolbox.net. Follow us on Mastodon or Twitter @psychtoolbox

  • Getting started
    • News
    • Overview
    • Versions
    • System Requirements
    • Download
  • Getting help
    • Beginner Tutorial
    • Function Reference
    • Paid Support
    • Community Forum
    • FAQ
  • Diving in
    • Contribute work or money to the project
    • Wiki
    • Bugs & Feature requests
    • Commercial services
    • Git repository
  • Paid Support
  • Community Forum
  • Download PTBZIP File

Citations

According to Google Scholar, as of March 11th 2025, 40111 papers cite one or more of our three papers on this software (Brainard, 1997; Pelli, 1997; Kleiner, Brainard, Pelli 2007). Thanks!

Plot of unique citations per year

Citations by article are available here:

What’s new in Psychtoolbox-3

The Psychophysics Toolbox

The VideoToolbox software

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Last updated on March 21, 2025