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     Matlab® routines for analyzing psychophysical data 

       (version 1.10.9)

(Verified) compatible with bare-bones Matlab (i.e., without any of the optional toolboxes) going back at least as far as R2009bSP1 (aka Matlab 7.9.1). Also compatible with GNU Octave (verified using Octave 5.1.0).

by Nicolaas Prins and Frederick Kingdom


Welcome graphic

  • Psychometric function fitting (Maximum-Likelihood or Bayesian)
  • Multi-condition model fitting
  • Adaptive procedures
  • Signal detection measures
  • Summation modeling
  • Maximum likelihood difference scaling
  • Model comparisons

Palamedes Swallowtail 
Papilio Palamedes
Photograph courtesy of www.istockphoto.com,
LeightonPhotography #3744238 

New Citation!:  

Please use this citation if you use the Palamedes toolbox in your research:

Prins, N & Kingdom, F. A. A. (2018) Applying the Model-Comparison Approach to Test Specific Research Hypotheses in Psychophysical Research Using the Palamedes Toolbox. Frontiers in Psychology, 9:1250. doi: 10.3389/fpsyg.2018.01250



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