Relationship Between Contrast Adaptation and Orientation Tuning in V1 and V2 of Cat Visual Cortex
Previous studies investigating the response properties of neurons in the primary visual cortex of cats and primates have shown that prolonged exposure to optimally oriented, high-contrast gratings leads to a reduction in responsiveness to subsequently presented test stimuli. We recorded from 119 neurons in cat V1 and V2 and found that in a high proportion of cells contrast adaptation also occurs for gratings oriented orthogonal to a neuron's preferred orientation, even though this stimulus did...[Show more]
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|Source:||Journal of Neurophysiology|
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