EFFECTS OF CORTICAL STIMULATION ON ELECTROCORTICAL ACTIVITY IN MONKEYS

Abstract

Electrocortical and rudimentary behavioral manifestations of arousal could be induced by appropriate electrical stimulation of the cerebral cortex of the Macaca mulatta. The effective areas comprised the orbitofrontal surface, the frontal oculomotor fields, the sensorimotor area, the posterior parietal-paraoccipital cortex and, specially, the superior temporal gyrus, the temporal pole and the cingulate gyrus. All these areas were previously shown to have connections with the central brain stem and probably contribute to the initiation and maintenance of wakefulness.