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Interpersonal Synchronization of Autonomic Physiology via Mere Visual Contact.

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Τίτλος: Interpersonal Synchronization of Autonomic Physiology via Mere Visual Contact.
Συγγραφείς: Koul A; Neuroscience of Perception and Action Lab, Italian Institute of Technology, Rome, Italy., Novembre G; Neuroscience of Perception and Action Lab, Italian Institute of Technology, Rome, Italy.
Πηγή: Annals of the New York Academy of Sciences [Ann N Y Acad Sci] 2026 Jun; Vol. 1560 (1), pp. e70322.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: New York Academy of Sciences Country of Publication: United States NLM ID: 7506858 Publication Model: Print Cited Medium: Internet ISSN: 1749-6632 (Electronic) Linking ISSN: 00778923 NLM ISO Abbreviation: Ann N Y Acad Sci Subsets: MEDLINE
Imprint Name(s): Publication: 2006- : New York, NY : Malden, MA : New York Academy of Sciences ; Blackwell
Original Publication: New York, The Academy.
Ιατρικοί όροι (MeSH): Autonomic Nervous System*/physiology , Interpersonal Relations* , Social Interaction*, Heart Rate/physiology ; Pupil/physiology ; Galvanic Skin Response/physiology ; Respiratory Rate/physiology ; Humans ; Male ; Female ; Adult ; Young Adult
Περίληψη: Interpersonal physiological synchrony (IPS)-the temporal alignment of autonomic physiological signals-is emerging as a prominent feature of social interaction. IPS can predict complex social phenomena such as relationship quality or social bonding. Yet, the origins of IPS remain poorly understood. Here, we investigated whether and how IPS can emerge spontaneously through mere visual contact. Thirty-eight dyads of familiar participants were asked to face each other without speaking or making coverbal gestures. IPS was measured using four autonomic signals-heart rate, skin conductance, respiration rate, and pupil diameter-and quantified as the Pearson correlation between dyad members' signals. We found that visual contact was sufficient to synchronize all physiological signals in real dyads, compared with chance-level synchrony in surrogate dyads. Notably, heart rate and pupil diameter IPS were particularly vision-dependent, showing significant reductions when visual contact was prevented. Furthermore, examining the link between IPS and spontaneous social cues revealed that heart rate IPS co-occurred with synchronized body movements, whereas pupil diameter IPS co-occurred with synchronized smiling. These findings show that IPS can emerge spontaneously through mere visual contact and is linked to the exchange of social cues. They position IPS as a robust, self-organizing phenomenon that occurs naturally in social interactions.
(© 2026 The Author(s). Annals of the New York Academy of Sciences published by Wiley Periodicals LLC on behalf of The New York Academy of Sciences.)
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Grant Information: 948186 International ERC_ European Research Council
Contributed Indexing: Keywords: autonomic physiological signals; social cues; social interaction; spontaneous behavior; synchrony
Entry Date(s): Date Created: 20260616 Date Completed: 20260616 Latest Revision: 20260726
Update Code: 20260726
PubMed Central ID: PMC13271046
DOI: 10.1111/nyas.70322
PMID: 42301140
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1749-6632
DOI:10.1111/nyas.70322