Oxytocin modulates selection of allies in intergroup conflict |
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Authors: | De Dreu Carsten K W Greer Lindred L Handgraaf Michel J J Shalvi Shaul Van Kleef Gerben A |
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Affiliation: | Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands. c.k.w.dedreu@uva.nl |
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Abstract: | In intergroup competition and conflict, humans benefit from coalitions with strong partners who help them to protect their in-group and prevail over competing out-groups. Here, we link oxytocin, a neuropeptide produced in the hypothalamus, to ally selection in intergroup competition. In a double-blind placebo-controlled experiment, males self-administered oxytocin or placebo, and made selection decisions about six high-threat and six low-threat targets as potential allies in intergroup competition. Males given oxytocin rather than placebo viewed high-threat targets as more useful allies and more frequently selected them into their team than low-threat targets. |
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Keywords: | hormones coalition formation person perception decision-making |
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