Document Detail


Effect of luminance on color perception of protanopes.
MedLine Citation:
PMID:  9893855     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Small-field color-naming performance of two protanopes over a 4-log luminance range was impoverished in comparison with that of normal trichromats, and was more strongly affected by changes in luminance. At 200 cd/m2 responses to mid-spectral lights were dominated by 'yellow'; with lowering luminance, 'green' and 'red' were increasingly used. In the color spaces derived from these data the first two dimensions for trichromats are red-green and yellow-blue: those of the protanopes appear to be brightness and 'red-blue'. In the protanopes' color space the greater separation of stimuli at 0.2 cd/m2 suggests that with low luminance their color discrimination improves.
Authors:
G V Paramei; D L Bimler; C R Cavonius
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Vision research     Volume:  38     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  1998 Nov 
Date Detail:
Created Date:  1999-02-16     Completed Date:  1999-02-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  3397-401     Citation Subset:  IM    
Affiliation:
Institut für Arbeitsphysiologie, Universität Dortmund, Germany.
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MeSH Terms
Descriptor/Qualifier:
Adult
Color Perception / physiology*
Color Vision Defects / physiopathology*
Discrimination (Psychology)
Diseases in Twins*
Female
Humans
Male
Spectrophotometry

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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