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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Neural Mechanisms of Color Vision: Double-Opponent Cells in the Visual Cortex

Neural Mechanisms of Color Vision: Double-Opponent Cells in the Visual Cortex

Conway, Bevil Richard

Hardcover

Medical ReferenceCognition

Currently unavailable to order

ISBN10: 1402070926
ISBN13: 9781402070921
Publisher: Springer Pg
Published: Jul 31 2002
Pages: 143
Weight: 0.87
Height: 0.57 Width: 6.44 Depth: 9.48
Language: English

Dr. Conway mapped the spatial and temporal structure of the cone inputs to single neurons in the primary visual cortex of the alert macaque. Color cells had receptive fields that were often Double-Opponent, an organization of spatial and chromatic opponency sufficient to form the basis for color constancy and spatial color contrast. Almost all color cells gave a bigger response to color when preceded by an opposite color, suggesting that these cells also encode temporal color contrast. In sum, color perception is likely subserved by a subset of specialized neurons in the primary visual cortex. These cells are distinct from those that likely underlie form and motion perception. Color cells establish three color axes sufficient to describe all colors; moreover these cells are capable of computing spatial and temporal color contrast - and probably contribute to color constancy computations - because the receptive fields of these cells show spatial and temporal chromatic opponency.

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