Modification in the sexual behavior of male rats produced by changing the stimulus female.

1 June 1963

journal article
Published by American Psychological Association (APA) in Journal of Comparative and Physiological Psychology

Vol. 56 (3) , 636-644
https://doi.org/10.1037/h0042469

Abstract

25 male rats copulated with 25 estrous females until they reached an arbitary criterion of sexual exhaustion. At this point replacement of the original female by a new estrous partner sometimes resulted in the resumption of mating activity and the achievement of 1 or more additional ejaculations. Removing and returning the original female had only a slight stimulating effect. Substitution of a female that had recently mated with another male was more likely to evoke renewal of sexual activity. The most effective procedure involved replacement of the original partner by an unmated estrous female. (20 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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