Psychtoolbox-3

Psychophysics Toolbox Version 3 (PTB-3) is an open-source 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 licenses, commercial support and services visit psychtoolbox.net. Follow us on Mastodon, BlueSky, or Twitter @psychtoolbox

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PsychStairCase

>Psychtoolbox>PsychStairCase

Psychtoolbox:PsychStairCase.

An implementation of a adaptive staircase that works by the principle of
minimum expected entropy to chose the next probe value.

MinExpEntStair - The staircase, documentation is in this function
FitCumGauss_MES - helper function for fitting cumulative Gaussian

See also MinExpEntStairDemo for a demo

Path   Retrieve current version from GitHub | View changelog
Psychtoolbox/PsychStairCase/Contents.m

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Last updated on May 28, 2025