Neural Mechanisms of Color Vision
Double-Opponent Cells in the Visual Cortex
Seiten
2002
|
2002 ed.
Springer-Verlag New York Inc.
978-1-4020-7092-1 (ISBN)
Springer-Verlag New York Inc.
978-1-4020-7092-1 (ISBN)
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.
1. A history of color research.- 2. Spatial structure of cone inputs to cortical color cells.- 3. Temporal structure of cone inputs to cortical color cells.- 4. Segregated processing streams in primary visual cortex.- References.- Further reading.
| Erscheint lt. Verlag | 31.7.2002 |
|---|---|
| Zusatzinfo | 2 Illustrations, color; 30 Illustrations, black and white; XVI, 143 p. 32 illus., 2 illus. in color. |
| Verlagsort | New York, NY |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Themenwelt | Medizin / Pharmazie ► Medizinische Fachgebiete ► Neurologie |
| Studium ► 1. Studienabschnitt (Vorklinik) ► Physiologie | |
| Naturwissenschaften ► Biologie ► Humanbiologie | |
| Naturwissenschaften ► Biologie ► Zoologie | |
| ISBN-10 | 1-4020-7092-6 / 1402070926 |
| ISBN-13 | 978-1-4020-7092-1 / 9781402070921 |
| Zustand | Neuware |
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