期刊
PSYCHOLOGICAL SCIENCE
卷 25, 期 6, 页码 1169-1177出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0956797614528338
关键词
cross-cultural differences; genetics; social cognition; values; open materials
资金
- Direct For Social, Behav & Economic Scie
- Divn Of Social and Economic Sciences [1325881] Funding Source: National Science Foundation
Prior research suggests that cultural groups vary on an overarching dimension of independent versus interdependent social orientation, with European Americans being more independent, or less interdependent, than Asians. Drawing on recent evidence suggesting that the dopamine D4 receptor gene (DRD4) plays a role in modulating cultural learning, we predicted that carriers of DRD4 polymorphisms linked to increased dopamine signaling (7- or 2-repeat alleles) would show higher levels of culturally dominant social orientations, compared with noncarriers. European Americans and Asian-born Asians (total N = 398) reported their social orientation on multiple scales. They were also genotyped for DRD4. As in earlier work, European Americans were more independent, and Asian- born Asians more interdependent. This cultural difference was significantly more pronounced for carriers of the 7- or 2-repeat alleles than for noncarriers. Indeed, no cultural difference was apparent among the noncarriers. Implications for potential coevolution of genes and culture are discussed.
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