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Electrophysiological correlates of copulatory behavior in the male rat: Evidence for a sexual inhibitory process

Electrophysiological correlates of copulatory behavior in the male rat: Evidence for a sexual... Investigated the dynamics of hippocampal and cortical activity during copulation in 8 male Sprague-Dawley rats. Hippocampal theta rhythm accompanied appetitive behaviors, e.g., watching, sniffing, approaching, and mounting the female. Theta continued after most mounts without intromission, whereas intromission or ejaculation was followed by slowing and desynchronization of hippocampal activity. During rest, high-amplitude irregular slow waves and spindling appeared in the hippocampus and eventually in the cortex. Rest occurred primarily as S approached ejaculation and in the initial part of the postejaculation interval. Rest and its accompanying EEG spindling are interpreted as a developing sexual inhibitory process. A model involving interaction between a postulated arousal process and opponent sexual inhibitory process is presented. (27 ref) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Comparative Psychology American Psychological Association

Electrophysiological correlates of copulatory behavior in the male rat: Evidence for a sexual inhibitory process

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References (23)

Publisher
American Psychological Association
Copyright
Copyright © 1973 American Psychological Association
ISSN
0735-7036
eISSN
1939-2087
DOI
10.1037/h0035265
Publisher site
See Article on Publisher Site

Abstract

Investigated the dynamics of hippocampal and cortical activity during copulation in 8 male Sprague-Dawley rats. Hippocampal theta rhythm accompanied appetitive behaviors, e.g., watching, sniffing, approaching, and mounting the female. Theta continued after most mounts without intromission, whereas intromission or ejaculation was followed by slowing and desynchronization of hippocampal activity. During rest, high-amplitude irregular slow waves and spindling appeared in the hippocampus and eventually in the cortex. Rest occurred primarily as S approached ejaculation and in the initial part of the postejaculation interval. Rest and its accompanying EEG spindling are interpreted as a developing sexual inhibitory process. A model involving interaction between a postulated arousal process and opponent sexual inhibitory process is presented. (27 ref)

Journal

Journal of Comparative PsychologyAmerican Psychological Association

Published: Aug 1, 1973

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