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  Socio-cultural norms of body size in Westerners and Polynesians affect heart rate variability and emotion during social interactions

Schrimpf, A., McGarvey, S., Haun, D., Kube, J., Villringer, A., & Gaebler, M. (2019). Socio-cultural norms of body size in Westerners and Polynesians affect heart rate variability and emotion during social interactions. Culture and Brain, 7(1), 26-56. doi:10.1007/s40167-018-0071-5.

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Schrimpf_2019.pdf (Verlagsversion), 634KB
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 Urheber:
Schrimpf, Anne1, Autor           
McGarvey, Stephen2, Autor
Haun, Daniel3, Autor
Kube, Jana1, 4, 5, Autor           
Villringer, Arno1, 4, 6, 7, Autor           
Gaebler, Michael1, 7, 8, Autor           
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA, ou_persistent22              
3Leipzig Research Center Early Child Development (LFE), University of Leipzig, Germany, ou_persistent22              
4Integrated Research and Treatment Center Adiposity Diseases, University of Leipzig, Germany, ou_persistent22              
5Faculty of Business, Law and Social Sciences, Brandenburg University of Technology, Senftenberg, Germany, ou_persistent22              
6Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              
7MindBrainBody Institute, Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
8Leipzig Research Center for Civilization Diseases (LIFE), University of Leipzig, Germany, ou_persistent22              

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Schlagwörter: Emotion; Culture; Obesity; Social cognition; Samoa; Parasympathetic activity; Body image; Social exclusion
 Zusammenfassung: The perception of body size and thus weight-related stigmatization vary between cultures. Both are stronger in Western than in Polynesian societies. Negative emotional experiences alter one’s behavioral, psychological, and physiological reactions in social interactions. This study compared affective and autonomic nervous system responses to social interactions in Germany and American Samoa, two societies with different body-size related norms. German (n = 55) and Samoan (n = 56) volunteers with and without obesity participated in a virtual ball-tossing game that comprised episodes of social inclusion and social exclusion. During the experiment, heart rate was measured and parasympathetic activity (i.e., high-frequency heart rate variability) was analyzed. We found differences in both emotional experience and autonomic cardio-regulation between the two cultures: during social inclusion, Germans but not Samoans showed increased parasympathetic activity. In Germans with obesity, this increase was related to a more negative body image (comprising high rates of weight-related teasing). During social exclusion, Samoans showed parasympathetic withdrawal regardless of obesity status, while Germans with obesity showed a stronger increase in parasympathetic activity than lean Germans. Furthermore, we found fewer obesity-related differences in emotional arousal after social exclusion in Samoans as compared to Germans. Investigating the interplay of socio-cultural, psychological, and biological aspects, our results suggest influences of body size-related socio-cultural norms on parasympathetic cardio-regulation and negative emotions during social interactions.

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Sprache(n): eng - English
 Datum: 2018-07-192018-08-022019-06
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1007/s40167-018-0071-5
 Art des Abschluß: -

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Förderorganisation : Max Planck Society
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Förderorganisation : Deutscher Akademischer Austauschdienst e.V.
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Förderorganisation : Max-Planck International Research Network on Aging (MaxNetAging)
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Grant ID : 01EO1001
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Förderorganisation : German Federal Ministry of Education and Research (BMBF)

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Titel: Culture and Brain
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Heidelberg : Springer
Seiten: - Band / Heft: 7 (1) Artikelnummer: - Start- / Endseite: 26 - 56 Identifikator: ISSN: 2193-8652
CoNE: https://pure.mpg.de/cone/journals/resource/2193-8652