Document Detail

Fechner-Benham subjective colors do not induce McCollough after-effects.
MedLine Citation:
PMID:  16862838     Owner:  NLM     Status:  MEDLINE    
Fechner-Benham subjective color is widely believed to be governed by local interactions in early (probably retinal) mechanisms. Here we report three lines of phenomenological evidence that suggest otherwise: subjective colors seen in spatially extended stimuli (a) are dependent on global aspects of the stimuli; (b) can become multistable in position; and (c) even after being stabilized do not support the creation of McCollough's colored after-effects--a cortically based phenomenon generally thought to be more central than Fechner-Benham color. These phenomena suggest a central locus that controls perception of subjective color, characterized by pattern dependent interactions among cortical mechanisms that draw their inputs from peripheral units.
Vincent A Billock; Thomas Ditzinger; J A Scott Kelso; Brian H Tsou
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Review    
Journal Detail:
Title:  Spatial vision     Volume:  19     ISSN:  0169-1015     ISO Abbreviation:  Spat Vis     Publication Date:  2006  
Date Detail:
Created Date:  2006-07-25     Completed Date:  2006-08-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8602662     Medline TA:  Spat Vis     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  161-72     Citation Subset:  IM    
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MeSH Terms
Adaptation, Ocular / physiology*
Afterimage / physiology*
Color Perception / physiology*
Pattern Recognition, Visual
Photic Stimulation

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