Document Detail


Color vision and the four-color-map problem.
MedLine Citation:
PMID:  10771407     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Four different colors are needed to make maps that avoid adjacent countries of the same color. Because the retinal image is two dimensional, like a map, four dimensions of chromatic experience would also be needed to optimally distinguish regions returning spectrally different light to the eye. We therefore suggest that the organization of human color vision according to four-color classes (reds, greens, blues, and yellows) has arisen as a solution to this logical requirement in topology.
Authors:
D Purves; B Lotto; T Polger
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of cognitive neuroscience     Volume:  12     ISSN:  0898-929X     ISO Abbreviation:  J Cogn Neurosci     Publication Date:  2000 Mar 
Date Detail:
Created Date:  2000-05-19     Completed Date:  2000-05-19     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8910747     Medline TA:  J Cogn Neurosci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  233-7     Citation Subset:  IM    
Affiliation:
Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA. purves@neuro.duke.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Color*
Color Perception*
Humans
Maps as Topic*
Retina / physiology*
Grant Support
ID/Acronym/Agency:
NS29187/NS/NINDS NIH HHS

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


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