期刊
PSYCHONEUROENDOCRINOLOGY
卷 112, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2019.104483
关键词
Oxytocin; Sex difference; Mate choice; Attraction; Infidelity
资金
- National Natural Science Foundation of China (NSFC) [31530032]
Infidelity is the major cause of breakups and individuals with a history of infidelity are more likely to repeat it, but may also present a greater opportunity for short-term sexual relationships. Here in a pre-registered, double-blind study involving 160 subjects we report that while both sexes valued faithful individuals most for short-term and long-term relationships, both single men and those in a relationship were more interested in having short-term relationships with previously unfaithful individuals than women. Oxytocin administration resulted in men rating the faces of unfaithful women as more attractive and likeable but in women rating those of unfaithful men as less attractive and also finding them less memorable. Oxytocin also increased single men's interest in having short-term relationships with previously unfaithful women whereas it increased single women's interest in having long-term relationships with faithful men. Thus, oxytocin release during courtship may first act to amplify sex-dependent priorities in attraction and mate choice before subsequently promoting romantic bonds.
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