Document Detail

Additive effect of luminance and color cues in generation of neon color spreading.
MedLine Citation:
PMID:  9135863     Owner:  NLM     Status:  MEDLINE    
A series of experiments were designed to examine how luminance and color cues influence the occurrence of neon color spreading for the Ehrenstein pattern plus the cross pattern. The proportion of "see" responses for color spreading was obtained for different combinations of the luminance and color of the pattern components. The following were obtained. (1) Increase in the luminance of the inducing pattern and/or the color difference between the cross and the inducing pattern raised the proportion of "see" responses for color spreading. This implies that luminance and color signals additively contribute to the generation of the color spreading, but in different ways. (2) The "iso-spreading contours" for the generation of color spreading were determined on the two-dimensional isoluminant plane composed of the L-M and S-(L+M) axes. The contours were approximately described by rotated quadratic or ellipse functions. The additive interaction within the chromatic systems [the L-M system and the S-(L+M) system] was less significant than that across the luminance and chromatic systems. (3) The pattern of the experimental results could not be explained straightforwardly by existing models.
N Goda; Y Ejima
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Vision research     Volume:  37     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  1997 Feb 
Date Detail:
Created Date:  1997-06-18     Completed Date:  1997-06-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  291-305     Citation Subset:  IM    
Division of Cognitive Science, Graduate School of Human and Environmental Studies, Kyoto University, Japan.
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MeSH Terms
Color Perception / physiology*
Form Perception / physiology*
Optical Illusions / physiology
Photic Stimulation*
Sensory Thresholds / physiology

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