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ACTIVITY IN CORTICAL MIDLINE STRUCTURES IS MODULATED BY SELF-CONSTRUAL CHANGES DURING ACCULTURATION.
Pin-Hao A Chen1, Dylan D Wagner2, William M Kelley1
1Department of Psychological and Brain Sciences, Dartmouth College.
Recent immigrants show changes in self-construal and brain activity during acculturation. Self-referential brain regions like the medial prefrontal cortex (MPFC) and posterior cingulate cortex (PCC) reflect these shifts.
Area of Science:
- Neuroscience
- Psychology
- Cultural Studies
Background:
- Acculturation involves changes in self-construal among immigrants.
- Self-referential cognition is associated with specific brain regions.
Purpose of the Study:
- To investigate how acculturation impacts brain activity during self-referential tasks.
- To examine changes in medial prefrontal cortex (MPFC) and posterior cingulate cortex (PCC) activity over time.
Main Methods:
- Twenty-seven recent Chinese immigrants underwent fMRI scans.
- Participants completed self-vs.-mother trait-judgment tasks at two time points (early and 6 months post-arrival).
Main Results:
- Initial self-vs.-mother differentiation observed in MPFC and PCC.
- At six months, this differentiation persisted for those becoming less "Eastern" but disappeared for those becoming more "Eastern."
Conclusions:
- Acculturation-related self-construal changes are reflected in MPFC and PCC activity.
- Brain activity in self-referential networks adapts to cultural assimilation processes.
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