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Spatial- and temporal-frequency selectivity as a basis for velocity preference in cat striate cortex neurons

Published online by Cambridge University Press:  02 June 2009

Curtis L. Baker Jr
Affiliation:
Department of Psychology, McGill University, Montreal, Quebec, Canada

Abstract

Measurements were made of the optimal velocity for drifting bar-shaped stimuli to excite striate cortex neurons of the cat. These data were compared to the optimal spatial and temporal frequencies of the same neurons, as determined with drifting sine-wave grating stimuli. A systematic relationship was revealed, whereby those neurons preferring higher velocities of bar motion also preferred lower spatial and higher temporal frequencies of gratings. The optimal bar velocity for a given neuron could be quantitatively predicted from the ratio of that neuron's optimal temporal frequency to its optimal spatial frequency.

Information

Type
Research Articles
Copyright
Copyright © Cambridge University Press 1990

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