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Pupillary Contagion in Infancy: Evidence for spontaneous transfer of arousal
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology. (Uppsala Child and Baby Lab)ORCID iD: 0000-0002-0898-9920
Washington Univ, Sch Med St Louis, St Louis, MO 63130 USA.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Psychology. (Uppsala Child and Baby Lab)
2016 (English)In: Psychological Science, ISSN 0956-7976, E-ISSN 1467-9280, Vol. 27, no 7, 997-1003 p.Article in journal (Refereed) Published
Abstract [en]

Pupillary contagionresponding to pupil size observed in other people with changes in one's own pupilhas been found in adults and suggests that arousal and other internal states could be transferred across individuals using a subtle physiological cue. Examining this phenomenon developmentally gives insight into its origins and underlying mechanisms, such as whether it is an automatic adaptation already present in infancy. In the current study, 6- and 9-month-olds viewed schematic depictions of eyes with smaller and larger pupilspairs of concentric circles with smaller and larger black centerswhile their own pupil sizes were recorded. Control stimuli were comparable squares. For both age groups, infants' pupil size was greater when they viewed large-center circles than when they viewed small-center circles, and no differences were found for large-center compared with small-center squares. The findings suggest that infants are sensitive and responsive to subtle cues to other people's internal states, a mechanism that would be beneficial for early social development.

Place, publisher, year, edition, pages
2016. Vol. 27, no 7, 997-1003 p.
National Category
Psychology
Identifiers
URN: urn:nbn:se:uu:diva-286549DOI: 10.1177/0956797616643924ISI: 000380937800006PubMedID: 27207876OAI: oai:DiVA.org:uu-286549DiVA: diva2:921685
Funder
EU, European Research Council, ERC-StG CACTUS 312292
Available from: 2016-04-20 Created: 2016-04-20 Last updated: 2017-11-30Bibliographically approved

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Fawcett, ChristineGredebäck, Gustaf

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