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Pharmacol Biochem Behav. 2014 May;120:50-6. doi: 10.1016/j.pbb.2014.02.007. Epub 2014 Feb 20.

Role of acetylcholine in control of sexual behavior of male and female mammals.

Author information

1
Department of Psychology and Program in Neuroscience, Bucknell University, Lewisburg, PA 17837, United States. Electronic address: ofloody@bucknell.edu.

Abstract

The results of studies using systemic or central applications of cholinergic drugs suggest that acetylcholine makes important contributions to the neurochemical control of male- and female-typical reproductive behaviors. In males, cholinergic control seems largely specific to some elements or aspects of copulatory behavior that can vary significantly across species. Synapses in or near the medial preoptic area represent part of this mechanism, but the entire system appears to extend more widely, perhaps especially to one or more structures flanking some part of the lateral ventricle. In females, the lordosis response that essentially defines sexual receptivity is clearly responsive to cholinergic drugs. The same seems likely to be true of other elements of female sexual behavior, but additional studies will be needed to confirm this. Changes in cholinergic activity may help to mediate estrogenic effects on female sexual behavior. However, estrogen exposure can increase or decrease cholinergic effects, suggesting a relationship that is complex and requires further analysis. Also presently unclear is the localization of the cholinergic effects on female sexual responses. Though periventricular sites again have been implicated, their identity is presently unknown. This review discusses these and other aspects of the central cholinergic systems affecting male and female sexual behaviors.

KEYWORDS:

Acetylcholine; Cholinergic; Muscarinic; Nicotinic; Sexual behavior

PMID:
24561063
DOI:
10.1016/j.pbb.2014.02.007
[Indexed for MEDLINE]

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