Abstract
Jealousy evokes strong psychological responses, but little is known about physiological effects. This study investigated whether actively thinking about a jealousy-provoking situation would result in a testosterone (T) response, and what factors might mediate this effect. We examined T responses to imagining one’s partner engaging in one of three activities: a neutral conversation with a co-worker, a flirtatious conversation with an attractive person, or a passionate kiss with an attractive person. Women in the flirting condition experienced a significantly larger increase in T relative to those in the neutral condition; the kissing condition was intermediate. In men, there were no significant effects of jealousy condition on T. These findings are consistent with the Steroid/Peptide Theory of Social Bonds, such that the flirting condition elicited a ‘competitive’ T response, and the kissing condition elicited responses consistent with defeat.
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