GABAA inhibition controls response gain in visual cortex.

Abstract

GABA(A) inhibition is thought to play multiple roles in sensory cortex, such as controlling responsiveness and sensitivity, sharpening selectivity, and mediating competitive interactions. To test these proposals, we recorded in cat primary visual cortex (V1) after local iontophoresis of gabazine, the selective GABA(A) antagonist. Gabazine increased… (More)
DOI: 10.1523/JNEUROSCI.5753-10.2011

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