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14 - Postejaculatory Adaptations to Self-Semen Displacement

from Part III - Postcopulatory Adaptations

Published online by Cambridge University Press:  30 June 2022

By
Gordon G. Gallup  and
Steven M. Platek
Edited by
Todd K. Shackelford
Todd K. Shackelford
Affiliation:
Oakland University, Michigan
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Summary

Unlike extensive research conducted on courtship, foreplay, and intercourse, what happens after ejaculation is one of the most neglected dimensions of human sexual behavior. As described in this chapter, postejaculatory adaptations have important and diverse implications for such things as penis hypersensitivity, the refractory period, female infidelity, sperm competition, semen displacement, self-semen displacement, spousal rape, the risk of transmitting sexually transmitted diseases for uncircumcised men, and the incidence of nonpaternity. This chapter also outlines ways to test the Bruce effect in human females and provides a novel explanation for the absence of the Coolidge effect in women.

Keywords

double matingcuckoldrycounter insemination strategiespenis morphologycircumcision
Type
Chapter
Information
The Cambridge Handbook of Evolutionary Perspectives on Sexual Psychology , pp. 325 - 342
Publisher: Cambridge University Press
Print publication year: 2022

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