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Neural Basis of Orientation Perception in Primate Vision

R. J. W. Mansfield
Science
New Series, Vol. 186, No. 4169 (Dec. 20, 1974), pp. 1133-1135
Stable URL: http://www.jstor.org/stable/1739117
Page Count: 3
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Neural Basis of Orientation Perception in Primate Vision
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Abstract

Orientational differences in human visual acuity can be related parametrically to the distribution of optimal orientations for the receptive fields of neurons in the striate cortex of the rhesus monkey. Both behavioral measures of acuity and the distribution of receptive fields exhibit maximums for stimuli horizontal or vertical relative to the retina; the effect diminishes with distance from the fovea. The anisotropy in the neuronal population and in visual acuity appear to be determined by postnatal visual experience.

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