The role of oxytocin in the facial mimicry of affiliative vs. non-affiliative emotions.
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Pavarini, G., Sun, R., Mahmoud, M., Cross, I., Schnall, S., Fischer, A., Deakin, J., et al. (2019). The role of oxytocin in the facial mimicry of affiliative vs. non-affiliative emotions.. Psychoneuroendocrinology, 109 104377. https://doi.org/10.1016/j.psyneuen.2019.104377
The present paper builds upon a growing body of work documenting oxytocin's role in social functioning, to test whether this hormone facilitates spontaneous mimicry of others' emotional expressions. In a double-blind, randomized trial, adult Caucasian males (n = 145) received a nasal spray of either oxytocin or placebo before completing a facial mimicry task. Facial expressions were coded using automated face analysis. Oxytocin increased mimicry of facial features of sadness (lips and chin, but not areas around the eyes), an affiliative reaction that facilitates social bonding. Oxytocin also increased mimicry of happiness, but only for individuals who expressed low levels of happiness in response to neutral faces. Overall, participants did not reliably mimic expressions of fear and anger, echoing recent theoretical accounts of emotional mimicry as dependent on the social context. In sum, our findings suggest that oxytocin facilitates emotional mimicry in ways that are conducive to affiliation, pointing to a possible pathway through which oxytocin promotes social bonding.
Facial Muscles, Humans, Oxytocin, Facial Expression, Administration, Intranasal, Double-Blind Method, Emotions, Anger, Fear, Happiness, Social Perception, Adult, Male, Young Adult, Facial Recognition
Economic and Social Research Council (ES/K008331/1)
External DOI: https://doi.org/10.1016/j.psyneuen.2019.104377
This record's URL: https://www.repository.cam.ac.uk/handle/1810/294645
Attribution-NonCommercial-NoDerivatives 4.0 International
Licence URL: https://creativecommons.org/licenses/by-nc-nd/4.0/