Hippocampal activity during avoidance behavior in the rat. | Zendy

Frederick J. Bremner | Zendy

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Hippocampal activity during avoidance behavior in the rat.

Author(s) -

Frederick J. Bremner

Publication year - 1964

Publication title -

journal of comparative and physiological psychology

Language(s) - English

Resource type - Journals

ISSN - 0021-9940

DOI - 10.1037/h0045675

Subject(s) - hippocampal formation , avoidance learning , neuroscience , psychology , hippocampus , cognitive psychology

In a Sidman avoidance task irregular hippocampal EEG activity changed to regular 5-7 cps theta activity just preceding and during an avoidance lever press. This finding suggests that the theta rhythm is not dependent upon exteroceptive stimuli, but rather is a correlate of centrally initiated attention or arousal. Simultaneous stimulation and recording showed that altering the hippocampal rhythms did not disrupt avoidance behavior when stimulating voltage was below seizure inducing levels; this finding suggests that hippocampal theta activity, though correlated, is not causally related to arousal. (18 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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