期刊
VISUAL NEUROSCIENCE
卷 31, 期 2, 页码 153-163出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0952523813000308
关键词
Color vision; Primate and nonprimate retina; Amacrine cell; Blue-ON pathway; Blue-OFF pathway
资金
- National Health & Medical Research Council of Australia [632640, 1022609]
- National Eye Institute (USA)
Color information is encoded by two parallel pathways in the mammalian retina. One pathway compares signals from long- and middle-wavelength sensitive cones and generates red-green opponency. The other compares signals from short- and middle-/long-wavelength sensitive cones and generates blue-green (yellow) opponency. Whereas both pathways operate in trichromatic primates (including humans), the fundamental, phylogenetically ancient color mechanism shared among most mammals is blue-green opponency. In this review, we summarize the current understanding of how signals from short-wavelength sensitive cones are processed in the primate and nonprimate mammalian retina, with a focus on the inner plexiform layer where bipolar, amacrine, and ganglion cell processes interact to facilitate the generation of blue-green opponency.
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