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Neural Basis of Orientation Perception in Primate Vision
R. J. W. Mansfield
New Series, Vol. 186, No. 4169 (Dec. 20, 1974), pp. 1133-1135
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1739117
Page Count: 3
You can always find the topics here!Topics: Neurons, Visual cortex, Retina, Anisotropy, Visual system, Fovea, Magnetic fields, Amnesia, Primates, Control groups
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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.
Science © 1974 American Association for the Advancement of Science