N. A. Scheynikov

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The receptive fields of the sensorimotor cortex neurons identified by electrocutaneous stimulation were modified by microelectrophoretically applied picrotoxin which is known to reduce inhibition. a relatively short application of picrotoxin (90 nA during 3-6 min) markedly increased the size of the neuronal receptive fields in the sensorimotor cortex.(More)
The role of intracortical inhibitory processes in the formation of neuronal receptive fields in the vibrissal projection zone of the somatosensory cortex was studied. Iontophoretic application of picrotoxin and bicuculline blocks the inhibition and causes the loss of directional sensitivity in neurons. Activation of inhibition by distant glutamate(More)
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