veryrare
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Oxytocin enhances brain reward system responses in men viewing the face of their female partner - PMC
Sexual monogamy is potentially costly for males, and few mammalian species along with humans exhibit it. The hypothalamic peptide oxytocin (OXT) has been implicated in mediating pair bonds in various species, but as yet, we know little about ...
In this study, we examined the effect of an intranasal OXT administration on the behavioral ratings of and the neural response to face stimuli of long-term romantic partners. Our results confirmed the hypothesis that OXT also contribute to romantic pair bonding in humans by showing that OXT treatment enhanced a positive bias in men to perceive their female partner's face as more attractive than that of other unfamiliar women, an effect paralleled by increased activation of reward neurocircuitry.
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