Document Detail

Polymorphism in normal human color vision and its mechanism.
MedLine Citation:
PMID:  2339515     Owner:  NLM     Status:  MEDLINE    
Earlier we reported that Rayleigh matches made by males with normal color vision fall into distinct groups, and proposed that this behavior reflects an X-chromosome linked polymorphism in the spectral positioning of cone pigments (Neitz & Jacobs, 1986). In the present experiments two different color matches were obtained from each of 60 color normal males. Comparisons of the data from these two matches allowed variations in color matching that are produced by individual differences in the spectral positioning of middle and long wavelength cone pigments to be distinguished from color vision variations caused by other factors. Considered together with findings from molecular biology and spectral measurements of individual cone pigments, these results suggest that among color normal humans: (1) there are discrete variations in both middle and long wavelength cone pigments, and (2) most individuals have more than three different cone pigment types.
J Neitz; G H Jacobs
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Vision research     Volume:  30     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  1990  
Date Detail:
Created Date:  1990-06-21     Completed Date:  1990-06-21     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  621-36     Citation Subset:  IM    
Department of Psychology, University of California, Santa Barbara 93106.
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MeSH Terms
Color Perception / physiology*
Discrimination (Psychology) / physiology
Photoreceptor Cells / physiology
Polymorphism, Genetic / physiology*
Retinal Pigments / genetics
Grant Support
Reg. No./Substance:
0/Retinal Pigments

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