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Effects of the stimulation of the claustrum and caudate nucleus during cat sleep and wakefulness



Effects of the stimulation of the claustrum and caudate nucleus during cat sleep and wakefulness



Soobshcheniya Akademii Nauk Gruzinskoi SSR 113(1): 149-152



In waking cats (chronic experiments) a high-frequency stimulation of the claustrum (as distinguished from the caudate nucleus) results in the synchronization of neocortical electrical activity, while during the slow wave phase of sleep synchronization enhances EEG synchronization; this is unlike the caudate nucleus, stimulation of which in slow wave sleep leads to EEG desynchronization and the animal's arousal. In definite conditions stimulation of the claustrum and the caudate nucleus exerts an opposite influence on the electrical activity of the cerebral cortical elements.

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