MPOA lesions affect female pacing of copulation in rats

Liang Yo Yang, Lynwood G. Clemens

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

This study examined the effects of electrolytic and ibotenic acid (IA) lesions of the medial preoptic area (MPOA) on the temporal pattern of female sexual behavior in the laboratory rat. Both electrolytic and IA MPOA lesions significantly increased the female's latency to return to the male after an intromission or an ejaculation, thereby decreasing the percentage of time spent with a male. Both types of MPOA lesions significantly increased the percentage of times the female left the male's chamber following intromissions. These results demonstrate that neurons in the MPOA regulate the female's temporal copulatory behavior, and the authors suggest that they do so by virtue of their response to vaginocervical stimulation. Studies of female pacing draw attention to parallels between male and female sexual behaviors, including the possibility that they are regulated by similar neural substrates in the MPOA.

Original languageEnglish
Pages (from-to)1191-1202
Number of pages12
JournalBehavioral Neuroscience
Volume114
Issue number6
DOIs
Publication statusPublished - 2000

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Copulation
Preoptic Area
Ibotenic Acid
Sexual Behavior
Ejaculation
Neurons

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Clinical Psychology

Cite this

MPOA lesions affect female pacing of copulation in rats. / Yang, Liang Yo; Clemens, Lynwood G.

In: Behavioral Neuroscience, Vol. 114, No. 6, 2000, p. 1191-1202.

Research output: Contribution to journalArticle

Yang, Liang Yo ; Clemens, Lynwood G. / MPOA lesions affect female pacing of copulation in rats. In: Behavioral Neuroscience. 2000 ; Vol. 114, No. 6. pp. 1191-1202.
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