Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Rayleigh matches and unique green

G Jordan1, J D Mollon

  • 1Department of Experimental Psychology, University of Cambridge, England.

Vision Research
|March 1, 1995
PubMed
Summary

This study found no evidence of bimodal distributions for Rayleigh matches or unique green perception in color-normal males. Iris lightness, not Rayleigh matches, significantly correlated with unique green wavelength judgments.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The Legacy of Perley G. Nutting Jr.: The Past and the Present of Chromatic Discrimination.

Annual review of vision science·2026
Same author

Assessment of the Penn anomaloscope.

Biomedical optics express·2025
Same author

Effect of stimulus size on chromatic discrimination.

Journal of the Optical Society of America. A, Optics, image science, and vision·2025
Same author

A possible mechanism of neural read-out from a molecular engram.

Neurobiology of learning and memory·2023
Same author

Bongard and Smirnov on the tetrachromacy of extra-foveal vision.

Vision research·2021
Same author

Discrimination of hue angle and discrimination of colorimetric purity assessed with a common metric.

Journal of the Optical Society of America. A, Optics, image science, and vision·2020

Area of Science:

  • Vision Science
  • Color Perception
  • Psychophysics

Background:

  • Previous studies suggested bimodal distributions for Rayleigh matches and unique green perception in males.
  • A correlation between Rayleigh matches and unique green has been previously reported.

Purpose of the Study:

  • To investigate the distribution of Rayleigh matches and unique green perception.
  • To examine the correlation between Rayleigh matches and unique green.
  • To identify factors influencing unique green perception.

Main Methods:

  • Utilized a computer-controlled Maxwellian colorimeter.
  • Employed bias-free psychophysical methods.
  • Measured Rayleigh matches and unique green settings in 97 color-normal male observers.

Main Results:

  • No bimodal distribution was found for either Rayleigh matches or unique green settings.
  • No significant correlation was observed between Rayleigh matches and unique green.
  • A significant relationship was found between iris lightness and the unique green wavelength.

Conclusions:

  • Recurrent reports of bimodal distributions for Rayleigh matches and unique green perception in males are not supported by this study.
  • The previously reported correlation between Rayleigh matches and unique green is not confirmed.
  • Iris lightness is a significant factor influencing the perception of unique green.

Related Experiment Videos