• Publications
  • Influence
Male interest in visual cues of sperm competition risk
Abstract Most forms of pornography are produced to sexually arouse men, and Malamuth [J. Commun. 46 (1996) 8.] has argued that they do this by appealing to male interests and preferences that evolvedExpand
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Cross-cultural effects of color, but not morphological masculinity, on perceived attractiveness of men's faces
Much attractiveness research has focused on face shape. The role of masculinity (which for adults is thought to be a relatively stable shape cue to developmental testosterone levels) in male facialExpand
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Human Sperm Competition
Sperm competition occurs when a female copulates with two or more males within a sufficiently brief time period, resulting in the sperm of the different males competing to fertilize ova. In thisExpand
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Duration of sexual arousal predicts semen parameters for masturbatory ejaculates
A man's semen parameters may vary considerably from one specimen to the next, partly due to variability in the conditions under which the specimens are produced. In the present study, theExpand
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Prudent sperm allocation in Norway rats, Rattus norvegicus: a mammalian model of adaptive ejaculate adjustment
In species where there is postcopulatory competition between males in the form of sperm competition, theory predicts that males should show prudent sperm allocation. Specifically, males should adjustExpand
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Facial symmetry is positively associated with self-reported extraversion
Abstract Fink et al. (2005) reported significant associations between facial symmetry and scores on some of the “big five” personality dimensions derived from self-report data. In particular, theyExpand
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Effects of morphine on electrically evoked contractions of the vas deferens in two congeneric rodent species differing in sperm competition intensity
  • N. Pound
  • Biology, Medicine
  • Proceedings of the Royal Society of London…
  • 7 September 1999
An early prediction of sperm competition theory was that males should adjust the number of sperm they deliver according to the risk of double mating and this has received empirical support in recentExpand
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Facial fluctuating asymmetry is not associated with childhood ill-health in a large British cohort study
The idea that symmetry in facial traits is associated with attractiveness because it reliably indicates good physiological health, particularly to potential sexual partners, has generated anExpand
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Psychological and Physiological Adaptations to Sperm Competition in Humans
Postcopulatory competition between males, in the form of sperm competition, is a widespread phenomenon in many animal species. The extent to which sperm competition has been an important selectiveExpand
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Sperm competition in humans
It is suggested that sperm competition (competition between the sperm from two or more males over the fertilization of ova) may account for the fact that sperm are so small and so numerous. In theExpand
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