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Neural and Hormonal Interactions in the Reproductive Behavior of Female Rats

  • Barry R. Komisaruk
Part of the Advances in Behavioral Biology book series (ABBI, volume 11)

Abstract

The lordosis posture in female rats (elevation of the rump and head and depression of the back) is a hormone-sensitive reflexive response to tactile stimulation of the flank region. It is normally elicited by the rapid pelvic thrusting movements of the male. After the male dismounts, the female maintains the lordosis posture longer if an intromission occurred than if one did not (Kuehn and Beach, 1963; Diakow, 1974). This finding suggests that stimuli provided by genital tract stimulation facilitate the lordosis response. If the genital tract is denervated, the prolongation of lordosis resulting from intromission does not occur (Diakow, 1970). The following studies, which focus on the effect of genital tract stimulation on lordosis, demonstrate not only that genital tract stimulation (a visceral stimulus) facilitates the effect of flank stimulation (a somatic stimulus) on lordosis, but also that this facilitating effect persists for several hours after the cessation of the stimulus. In contrast to the facilitating effect, the same genital tract stimulation abolishes different skeletal reflex responses (e.g., leg withdrawal to foot pinch). Furthermore, it blocks behavioral and neurophysiological responses to painful stimulation.

Keywords

Reproductive Behavior Tactile Stimulation Septal Lesion Noxious Stimulation Painful Stimulation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • Barry R. Komisaruk
    • 1
  1. 1.Institute of Animal BehaviorRutgers University, The State University of New JerseyNewarkUSA

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