Consistency of tests of copulatory frequency in the male albino rat.

Anderson, E. E.

doi:10.1037/h0054857

Cited by 29 publications

(13 citation statements)

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“…In research previously performed by our group, we have studied the so‐called “non‐copulating” (NC) rats. These apparently normal rats fail to initiate copulation, even if they are repeatedly tested with receptive females (Anderson, 1936; Beach, 1942; Paredes, Haller, Manero, Alvarado & Agmo, 1990). The behavioral deficits observed in NC male rats do not appear to be associated with hormonal alterations.…”

Section: Stimulation Of the Mpoa/ahmentioning

confidence: 99%

Medial preoptic area/anterior hypothalamus and sexual motivation

Paredes

2003

Scandinavian J Psychology

100

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The medial preoptic area/anterior hypothalamus (MPOA/AH) is a brain site derived from proliferative zones from the diencephalon and telencephalon. It is probably this characteristic that makes this brain region participate in different physiological and behavioral functions. The present review addresses the role of the MPOA/AH in the control of male sexual behavior. It is clear that the MPOA/AH is a crucial site in the control of sexual behavior in males of all species studied to date. But although many different publications have followed the contribution of Heimer and Larsson there is no agreement as to what is specifically the role of the MPOA/AH in sexual behavior. At least three hypotheses have been presented. The first one suggests that this brain region is involved in the consummatory aspects (execution) of sexual behavior. The second indicates that the MPOA/AH is involved in the appetitive components (motivation) of masculine sexual behavior. The third hypothesis considers that MPOA/AH neurons are involved in the regulation of consummatory and appetitive aspects of sexual behavior. From the literature reviewed, it will become evident that the evidence supporting a role of the MPOA/AH in the execution of sexual behavior is based on a number of limited studies not easy to interpret. On the other hand, several lines of evidence using a variety of methodologies support the notion that the MPOA/AH is involved in the motivational aspects of male sexual behavior.

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Section: Stimulation Of the Mpoa/ahmentioning

confidence: 99%

Medial preoptic area/anterior hypothalamus and sexual motivation

Paredes

2003

Scandinavian J Psychology

100

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“…Enhancement of female mating behavior in response to repeated mating attempts by males has been indicated in several studies (Anderson, 1936;Beach, 1948;Clemens, Hiroi, & Gorski, 1969;Green, Luttge, & Whalen, 1970;Koster, 1943;Larsson, Feder, & Komisaruk, 1974). Although direct evidence regarding the stimulus factors involved in this enhancement of receptivity is lacking, this effect may be due in part to genital tract stimulation resulting from intromissions.…”

mentioning

confidence: 96%

Vaginal stimulation in rats induces prolonged lordosis responsiveness and sexual receptivity.

Rodriguez-Sierra¹,

Crowley²,

Komisaruk³

1975

Journal of Comparative and Physiological Psychology

114

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“…Different research groups, including ours, have identified the presence of apparently normal male rats that fail to mate after repeated exposure to sexually receptive females (1–5); these animals are called non‐copulating (NC) rats. We have demonstrated that not only are the consummatory aspects of sexual behaviour disrupted in NC rats, but also the motivational behaviours are affected.…”

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confidence: 99%

Neuronal Activity of Aromatase Enzyme in Non‐Copulating Male Rats

Portillo

Castillo

Retana‐Márquez

et al. 2006

J Neuroendocrinology

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There are apparently normal male rats that fail to initiate copulation; these animals are called non-copulating (NC) males. Several research groups have demonstrated that conversion of testosterone to oestradiol (aromatisation) in specific brain areas known to be involved in the control of masculine sexual behaviour is fundamental in the control of masculine sexual behaviour. The aim of the present study was to test the hypothesis that the concentration of aromatase activity (AA) in the brain is lower in NC males than in copulating males (C). We quantified AA in several brain nuclei and also evaluated whether NC rats have altered concentrations of testosterone in their plasma. We found that AA was reduced in the medial preoptic nuclei (MPN) of NC male rats vs C males. In addition, NC and C male rats had similar plasma levels of testosterone. These data suggest that reduced levels of AA in the MPN could be a crucial factor associated with lack of male coital behaviour in rats.

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Consistency of tests of copulatory frequency in the male albino rat.

Cited by 29 publications

References 1 publication

Medial preoptic area/anterior hypothalamus and sexual motivation

Medial preoptic area/anterior hypothalamus and sexual motivation

Vaginal stimulation in rats induces prolonged lordosis responsiveness and sexual receptivity.

Neuronal Activity of Aromatase Enzyme in Non‐Copulating Male Rats

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