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Nature 142, 346-347 (20 August 1938) | doi:10.1038/142346a0;

Eye and Brain, as Factors in Visual Perception

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IN his presidential address to Section J (Psychology), Dr. R. H. Thouless deals with the implications for the theory of visual perception of the fact that the physiological mechanism of vision is not only the retinal surface but also the whole system which includes retina, optic nerve, visual area of the cortex, and to some extent, other sensory areas of the brain as well. It was assumed in much of the earlier work in vision (as in that of Helmholtz) that the basic process in vision is the formation of an optical image on the retina and its transmission to the visual centres of the brain by means of the optic nerve.