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Neural Mechanisms of Color Vision

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

Softcover reprint of hardcover 1st ed. 2002

Paperback (06 Dec 2010)

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Publisher's Synopsis

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.

Book information

ISBN: 9781441952912
Publisher: Springer US
Imprint: Springer
Pub date:
Edition: Softcover reprint of hardcover 1st ed. 2002
Language: English
Number of pages: 143
Weight: 594g
Height: 235mm
Width: 155mm
Spine width: 10mm