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The model of embodied emotion proposes that emotional contagion and facial mimicry are functionally linked although the neural underpinnings are not known. To address this knowledge gap, we employed a live two-person paradigm (n = 20 dyads) using functional near-infrared spectroscopy during live emotive face-processing while also measuring eye-tracking, facial classifications and ratings of emotion. One dyadic partner, \u2018Movie Watcher\u2019, was instructed to emote natural facial expressions while viewing evocative short movie clips. The other dyadic partner, \u2018Face Watcher\u2019, viewed the Movie Watcher's face. Task and rest blocks were implemented by timed epochs of clear and opaque glass that separated partners. Dyadic roles were alternated during the experiment. Mean cross-partner correlations of facial expressions (r = 0.36 \u00b1 0.11 s.e.m.) and mean cross-partner affect ratings (r = 0.67 \u00b1 0.04) were consistent with facial mimicry and emotional contagion, respectively. Neural correlates of emotional contagion based on covariates of partner affect ratings included angular and supramarginal gyri, whereas neural correlates of the live facial action units included motor cortex and ventral face-processing areas. Findings suggest distinct neural components for facial mimicry and emotional contagion.<\/jats:p>\n                  <jats:p>This article is part of a discussion meeting issue \u2018Face2face: advancing the science of social interaction\u2019.<\/jats:p>","DOI":"10.1098\/rstb.2021.0472","type":"journal-article","created":{"date-parts":[[2023,3,5]],"date-time":"2023-03-05T19:05:16Z","timestamp":1678043116000},"update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":29,"title":["Neural mechanisms for emotional contagion and spontaneous mimicry of live facial expressions"],"prefix":"10.1098","volume":"378","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1418-6489","authenticated-orcid":true,"given":"Joy","family":"Hirsch","sequence":"first","affiliation":[{"name":"Brain Function Laboratory, Department of Psychiatry 1 , ,"},{"name":"Yale School of Medicine 1 , ,"},{"name":"New Haven, CT 06511, USA 1 , ,"},{"name":"Department of Neuroscience 2 , ,"},{"name":"Yale School of Medicine 2 , ,"},{"name":"New Haven, CT 06511, USA 2 , ,"},{"name":"Department of Comparative Medicine 3 , ,"},{"name":"Yale School of Medicine 3 , ,"},{"name":"New Haven, CT 06511, USA 3 , ,"},{"name":"Wu Tsai Institute 4 , ,"},{"name":"Yale University 4 , ,"},{"name":"PO Box 208091, New Haven, CT 06520, USA 4 , ,"},{"name":"Haskins Laboratories 5 ,"},{"name":"300 George Street, New Haven, CT 06511, USA 5 ,"},{"name":"Department of Medical Physics and Biomedical Engineering 6 , ,"},{"name":"University College London 6 , ,"},{"name":"London WC1E 6BT, UK 6 , ,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xian","family":"Zhang","sequence":"additional","affiliation":[{"name":"Brain Function Laboratory, Department of Psychiatry 1 , ,"},{"name":"Yale School of Medicine 1 , ,"},{"name":"New Haven, CT 06511, USA 1 , ,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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