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Dynamic contrast change produces rapid gain control in visual cortex

Crowder, N A; Hietanen, Markus; Price, Nicholas S C; Clifford, Colin W.G.; Ibbotson, Michael


During normal vision, objects moving in the environment, our own body movements and our eye movements ensure that the receptive fields of visual neurons are being presented with continually changing contrasts. Thus, the visual input during normal behaviour differs from the type of stimuli traditionally used to study contrast coding, which are presented in a step-like manner with abrupt changes in contrast followed by prolonged exposure to a constant stimulus. The abrupt changes in contrast...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Journal of Physiology
DOI: 10.1113/jphysiol.2008.156273


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