Titlebook: Central and Peripheral Mechanism of Colour Vision; David Ottoson (Professor of Physiology),Semir Zeki Book 1985 Palgrave Macmillan, a divi

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Recent Advances in Retinex Theory,ght, green light, and blue light coming from that object to our eyes. For a very long time it has been known that the colour of the object when it is part of a general scene will . change markedly with those considerable changes in the relative amounts of red, green, and blue light in the illuminati

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Colour Pathways and Hierarchies in the Cerebral Cortex,e macaque monkey, is a large strip of cytoarchitectonically uniform cortex surrounding the striate cortex (V1). Long regarded as a single cortical field, it was commonly referred to as the “visuo-psychic” band or the “visual association” cortex with the implication that, unlike V1 or the “visuo-sens

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On Lightness Computation in Mondrian World,the reflectances can be computed from an image of that object. The computation can be realised as a parallel process performed by successive layers of cooperating computational cells, arranged on hexagonal grids. The layers will, in practice, be of finite extent and it is critical that cells on the

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Opponent-Colours Theory, ply their trade. (Mollon and Sharpe, 1983). The contributions of these geniuses are universally admired and understandably so. The list could be extended by adding still another extraordinary Cantabridgian, Lord Rayleigh. Or still another, but this one from the other Cambridge, namely Cambridge, Ma

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Opponent-Colours Theory in the Light of Physiological Findings,ering before the discovery of what was initially called visual purple, and long before anything at all was known about cone receptors or the cone photopigments. Hering’s antagonistic mechanisms were thought by him to be neural, and to be somehow associated with opposite neurochemical processes. More

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Receptoral Constraints on Colour Appearance,the receptor level. The phenomena of color vision that impress us most are seldom traceable to receptor behaviour. But still it is important to be clear about the ways receptors constrain sensation and the ways they don’t. Most obviously, the receptors are the sole source of the information on which

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,Stile’s ,, and ,, Colour Mechanisms: Isolation of a Blue/Yellow Pathway in Normals and Dichromats, it to the analysis of the mechanisms of color vision. In Stiles’s procedure an observer is adapted successively to each of a series of increasingly intense exposures of a large . of one wavelength (μ), and the threshold is measured for a relatively small and brief . of another wavelength (λ) presen

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