Document Detail


Role of the color-opponent and broad-band channels in vision.
MedLine Citation:
PMID:  2265148     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The functions of the primate color-opponent and broad-band channels were assessed by examining the visual capacities of rhesus monkeys following selective lesions of parvocellular and magnocellular lateral geniculate nucleus, which respectively relay these two channels to the cortex. Parvocellular lesions impaired color vision, high spatial-frequency form vision, and fine stereopsis. Magnocellular lesions impaired high temporal-frequency flicker and motion perception but produced no deficits in stereopsis. Low spatial-frequency form vision, stereopsis, and brightness perception were unaffected by either lesion. Much as the rods and cones of the retina can be thought of as extending the range of vision in the intensity domain, we propose that the color-opponent channel extends visual capacities in the wavelength and spatial-frequency domains whereas the broad-band channel extends them in the temporal domain.
Authors:
P H Schiller; N K Logothetis; E R Charles
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Visual neuroscience     Volume:  5     ISSN:  0952-5238     ISO Abbreviation:  Vis. Neurosci.     Publication Date:  1990 Oct 
Date Detail:
Created Date:  1991-02-11     Completed Date:  1991-02-11     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8809466     Medline TA:  Vis Neurosci     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  321-46     Citation Subset:  IM; S    
Affiliation:
Massachusetts Institute of Technology, Cambridge 02139.
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MeSH Terms
Descriptor/Qualifier:
Animals
Color Perception / physiology*
Contrast Sensitivity / physiology
Female
Geniculate Bodies / physiology*
Ibotenic Acid / diagnostic use
Image Processing, Computer-Assisted
Light
Macaca mulatta
Male
Saccades / physiology
Visual Cortex / physiology
Visual Fields / physiology
Visual Pathways / physiology
Visual Perception / physiology*
Grant Support
ID/Acronym/Agency:
EY00676/EY/NEI NIH HHS
Chemical
Reg. No./Substance:
2552-55-8/Ibotenic Acid

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


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