The effect of ethnicity and team membership on face processing : a cultural neuroscience perspective

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2019
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Yan, Zhimin
Saur, Sebastian
Kirsch, Peter
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Zusammenfassung

In-ethnicity bias, as one of the in-group biases, is widespread in different cultures, interfering with cross-ethnicity communication. Recent studies have revealed that an in-ethnicity bias can be reduced by an in-team bias caused by the membership in a mixed-ethnicity team. However, the neural correlates of different in-group biases are still not clear, especially regarding possible cultural differences. A total of 44 participants (20 Chinese and 24 Germans) were recruited and completed a social categorization fMRI-task, categorizing faces according to their ethnicity and a learned team membership. Our behavioral results revealed both in-ethnicity and in-team bias in German participants, but not in Chinese participants. Our imaging results, however, showed both biases across all participants, as reflected in increased dorsal medial frontal cortex (MFC) activation for in-ethnicity, as well as in-team categorizations, while activation in ventral MFC was higher for in-ethnicity faces in Chinese participants than in the German participants. Our results highlight the importance of the dorsal MFC for in-group categorization across cultures and suggest that cultures might modulate in-group biases.

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150 Psychologie
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cultural neuroscience, in-group bias, social categorization, medial frontal cortex
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ISO 690YAN, Zhimin, Stephanie N. L. SCHMIDT, Sebastian SAUR, Peter KIRSCH, Daniela MIER, 2019. The effect of ethnicity and team membership on face processing : a cultural neuroscience perspective. In: Social Cognitive and Affective Neuroscience (SCAN). Oxford University Press. 2019, 14(9), pp. 1017-1025. ISSN 1749-5016. eISSN 1749-5024. Available under: doi: 10.1093/scan/nsz083
BibTex
@article{Yan2019effec-49189,
  year={2019},
  doi={10.1093/scan/nsz083},
  title={The effect of ethnicity and team membership on face processing : a cultural neuroscience perspective},
  number={9},
  volume={14},
  issn={1749-5016},
  journal={Social Cognitive and Affective Neuroscience (SCAN)},
  pages={1017--1025},
  author={Yan, Zhimin and Schmidt, Stephanie N. L. and Saur, Sebastian and Kirsch, Peter and Mier, Daniela}
}
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