The machinery of colour vision

by: Samuel G Solomon, Peter Lennie

Nature Reviews Neuroscience, Vol. 8, No. 4. (April 2007), pp. 276-286.

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Abstract

Some fundamental principles of colour vision, deduced from perceptual studies, have been understood for a long time. Physiological studies have confirmed the existence of three classes of cone photoreceptors, and of colour-opponent neurons that compare the signals from cones, but modern work has drawn attention to unexpected complexities of early organization: the proportions of cones of different types vary widely among individuals, without great effect on colour vision; the arrangement of different types of cones in the mosaic seems to be random, making it hard to optimize the connections to colour-opponent mechanisms; and new forms of colour-opponent mechanisms have recently been discovered. At a higher level, in the primary visual cortex, recent studies have revealed a simpler organization than had earlier been supposed, and in some respects have made it easier to reconcile physiological and perceptual findings.

@article{nrn-2007-solomon, abstract = {Some fundamental principles of colour vision, deduced from perceptual studies, have been understood for a long time. Physiological studies have confirmed the existence of three classes of cone photoreceptors, and of colour-opponent neurons that compare the signals from cones, but modern work has drawn attention to unexpected complexities of early organization: the proportions of cones of different types vary widely among individuals, without great effect on colour vision; the arrangement of different types of cones in the mosaic seems to be random, making it hard to optimize the connections to colour-opponent mechanisms; and new forms of colour-opponent mechanisms have recently been discovered. At a higher level, in the primary visual cortex, recent studies have revealed a simpler organization than had earlier been supposed, and in some respects have made it easier to reconcile physiological and perceptual findings.}, author = {Solomon, Samuel G. and Lennie, Peter }, citeulike-article-id = {1179831}, doi = {10.1038/nrn2094}, journal = {Nature Reviews Neuroscience}, keywords = {perception}, month = {April}, number = {4}, pages = {276--286}, posted-at = {2007-03-21 18:03:16}, priority = {0}, title = {The machinery of colour vision}, url = {http://dx.doi.org/10.1038/nrn2094}, volume = {8}, year = {2007} }

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TY - JOUR ID - nrn-2007-solomon L3 - citeulike-article-id:1179831 TI - The machinery of colour vision JF - Nature Reviews Neuroscience VL - 8 IS - 4 SP - 276 EP - 286 N2 - Some fundamental principles of colour vision, deduced from perceptual studies, have been understood for a long time. Physiological studies have confirmed the existence of three classes of cone photoreceptors, and of colour-opponent neurons that compare the signals from cones, but modern work has drawn attention to unexpected complexities of early organization: the proportions of cones of different types vary widely among individuals, without great effect on colour vision; the arrangement of different types of cones in the mosaic seems to be random, making it hard to optimize the connections to colour-opponent mechanisms; and new forms of colour-opponent mechanisms have recently been discovered. At a higher level, in the primary visual cortex, recent studies have revealed a simpler organization than had earlier been supposed, and in some respects have made it easier to reconcile physiological and perceptual findings. KW - perception AU - Solomon, Samuel AU - Lennie, Peter PY - 2007/04// UR - http://dx.doi.org/10.1038/nrn2094 ER -

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