Neuropharmacological properties of electrophysiologically identified, visually responsive neurones of the posterior lateral suprasylvian area

Abstract

Extracellular recordings have been made from 118 electrophysiologically identified neurones lying in the posterior lateral suprasylvian area (PLLS and PLMS) of cats anaesthetized with Nembutal. Eighty-one cells were activated synaptically by the electrical stimulation of cortical and subcortical sites known to be the sources of monosynaptic projections to the lateral suprasylvian area; latencies to such activations have been measured. The locations and sizes of the receptive fields of 55 neurones were determined. The direction sensitivity and ocularity of these cells also were examined.