Normal and Defective Colour Vision

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Wydawca: OUP Oxford

ISBN: 9780198525301

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Opis

The topic of colour vision is one that integrates research from psychology, neuroscience, biology, opthalmology, physics, and genetics. How do we make sense of colour in the world, and how has such an ability evolved in humans? How are colours discriminated by the retina, and how does the brain interpret chromatic information? How can our genes influence the way in which we perceive colours? Why do some people have problems perceiving colours, and what occupational difficultiesmay they face? In what ways is colour vision altered by disease or toxins?John Mollon, Joel Pokorny, and Ken Knoblauch are leading authorities on the perception of colour. Together they have brought together a distinguished list of contributors to provide an interdisciplinary review of the field. An historical introduction marks the bicentennial of Thomas Youngs trichromatic theory and provides useful background for the newcomer to the topic of colour vision. Carefully edited and indexed, this book is aimed at students and researchers in the visual sciences, inperceptual psychology, and in sensory neuroscience. It will be a definitive text on colour perception for some years to come.

Szczegóły produktu

Wydawca OUP Oxford

Indeks 82894

EAN13 9780198525301

ISBN 9780198525301

Opis

Rok wydania: 2003
Numer wydania: 1
Oprawa: twarda
Liczba stron: 460
Wymiary (mm): 174 x 248
Waga (g): 950

Thomas Young and the Trichromatic Theory of Colour Vision; Section I:: Photoreceptors and their evolution; Electrons and x-rays reveal the structure of rhodopsin:: A prototypical G protein-coupled receptor - Implications for colour vision; Photopigment polymorphism in prosimians and the origins of primate trichromacy; Did primate trichromacy evolve for frugivory or folivory?; Lack of S-opsin expression in the brush tailed porcupine (Atherurus africanus) and other mammals. Is the evolutionary persistence of S-cones a paradox?; The arrangement of L and M cones in human and a primate retina; Comparison of human and monkey pigment gene promoters to evaluate DNA sequences proposed to govern L::M cone ratio; Section II:: Retinal Processes; Structure of receptive field centers of midget retinal ganglion cells; The neural circuit providing input to midget ganglion cells; Coding of position of achromatic and chromatic edges by retinal ganglion cells; Section III:: Spatial and Temporal Aspects of Colour Perception; Psychophysical correlates of parvo- and magnocellular function; Spatial contrast sensitivity for pulsed and steady pedestal stimuli; Chromatic assimilation:: evidence for a neural mechanism; Reaction times to stimuli in isoluminant colour space; Integration times reveal mechanisms responding to isoluminant chromatic gratings:: a two-centre visual evoked potential study; Temporal frequency and contrast adaptation; Contribution of achromatic and chromatic contrast signals to Fechner-Benham subjective colours; Sensitivity to movement of configurations of achromatic and chromatic points in amblyopic patients; Convergence as a function of chromatic contrast:: a possible contributor to depth perception; Secton IV:: Rods and Colour Vision; The influence of rods on colour naming during dark adaptation; Stimulus duration affects rod influence on hue perception; Section V:: Natural Scenes and Colour Constancy; The Verriest Lecture:: Colour discrimination, colour constancy and natural scene statistics; Tritanopic colour constancy under daylight changes?; Red-green colour deficiency and colour constancy under orthogonal-daylight changes; Calculating appearances in complex and simple images; The effect of global contrast distribution on colour appearance; Section VI:: Colour Spaces and their Variation; Schopenhauers parts of daylight in the light of modern colorimetry; Representing an observers matches in an alien colour space; Macular pigment:: Natures notch filter; How to find a tritan line; Some properties of the physiological colour system; Section VII:: Inherited Colour Deficiency:: Molecular Genetics; Genotypic variation in multi-gene dichromats; Hybrid pigment genes, dichromacy and anomalous trichromacy; Middle wavelength sensitive photopigment gene expression is absent in deuteranomalous colour vision; Section VIII:: Inherited Colour Deficiency:: Psychophysics and Tests; Preliminary norms for the Cambridge Colour Test; Evaluation of Colour vision testing made easy; Survey of the colour vision demands in fire-fighting; Lantern colour vision tests:: one light or two; Extreme anomalous trichromatism; Colour naming, colour categories and central colour-coding in a case of X-linked incomplete achromatopsia; Section IX:: Acquired Deficiencies of Colour Vision; Effects of retinal detachment on S and M cone function in an animal model; Colour vision in central serous chorioretinopathy; Early vision loss in diabetic patients assessed by the Cambridge Colour Test; Colour-vision disturbances in patients with arterial hypertension; Visual dysfunction following mercury exposure by breathing mercury vapour or by eating mercury-contaminated food;