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R. Soc. B."],"published-print":{"date-parts":[[2020,5,27]]},"abstract":"<jats:p>Understanding how information about threats in the environment is shared and transmitted between individuals is crucial for explaining adaptive, survival-related behaviour in humans and other animals, and for developing treatments for phobias and other anxiety disorders. Research across species has shown that observing a conspecific\u2019s, a \u2018demonstrator\u2019s,\u2019 threat responses causes strong and persistent threat memories in the \u2018observer\u2019. Here, we examined if physiological synchrony between demonstrator and observer can serve to predict the strength of observationally acquired conditioned responses. We measured synchrony between demonstrators\u2019 and observers\u2019 phasic electrodermal signals during learning, which directly reflects autonomic nervous system activity. Prior interpersonal synchrony predicted the strength of the observer\u2019s later skin conductance responses to threat predicting stimuli, in the absence of the demonstrator. Dynamic coupling between an observer\u2019s and a demonstrator\u2019s autonomic nervous system activity may reflect experience sharing processes facilitating the formation of observational threat associations.<\/jats:p>","DOI":"10.1098\/rspb.2019.2779","type":"journal-article","created":{"date-parts":[[2020,5,20]],"date-time":"2020-05-20T03:04:04Z","timestamp":1589943844000},"page":"20192779","update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":27,"title":["Physiological synchrony predicts observational threat learning in humans"],"prefix":"10.1098","volume":"287","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8360-9097","authenticated-orcid":true,"given":"Philip","family":"P\u00e4rnamets","sequence":"first","affiliation":[{"name":"Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden"},{"name":"Department of Psychology, New York University, 6 Washington Place, New York, NY 10003, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7327-6815","authenticated-orcid":true,"given":"Lisa","family":"Espinosa","sequence":"additional","affiliation":[{"name":"Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5272-7744","authenticated-orcid":true,"given":"Andreas","family":"Olsson","sequence":"additional","affiliation":[{"name":"Division of Psychology, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"175","published-online":{"date-parts":[[2020,5,20]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1037\/12261-000"},{"key":"e_1_3_6_3_2","volume-title":"Social psychology","author":"Allport FH","year":"1924"},{"key":"e_1_3_6_4_2","doi-asserted-by":"publisher","DOI":"10.2466\/pr0.1961.9.3.477"},{"key":"e_1_3_6_5_2","doi-asserted-by":"publisher","DOI":"10.1037\/h0046466"},{"key":"e_1_3_6_6_2","doi-asserted-by":"publisher","DOI":"10.1037\/h0022639"},{"key":"e_1_3_6_7_2","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.33.6.764"},{"key":"e_1_3_6_8_2","doi-asserted-by":"publisher","DOI":"10.1037\/0021-843X.93.4.355"},{"key":"e_1_3_6_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.0956-7976.2004.00762.x"},{"key":"e_1_3_6_10_2","doi-asserted-by":"publisher","DOI":"10.1093\/scan\/nsm005"},{"key":"e_1_3_6_11_2","doi-asserted-by":"publisher","DOI":"10.1038\/nn1968"},{"key":"e_1_3_6_12_2","doi-asserted-by":"publisher","DOI":"10.1177\/0956797615604124"},{"key":"e_1_3_6_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tics.2017.04.010"},{"key":"e_1_3_6_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2017.11.039"},{"key":"e_1_3_6_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.brat.2007.06.008"},{"key":"e_1_3_6_16_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0160245"},{"key":"e_1_3_6_17_2","volume-title":"Dynamic patterns: the self-organization of brain and behavior","author":"Kelso JAS","year":"1997"},{"key":"e_1_3_6_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00336922"},{"key":"e_1_3_6_19_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1751-9004.2012.00450.x"},{"key":"e_1_3_6_20_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2015.0366"},{"key":"e_1_3_6_21_2","doi-asserted-by":"crossref","unstructured":"Semin GR Cacioppo JT. 2008 Grounding social cognition: synchronization coordination and co-regulation. 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