Genotype by environment interaction in adolescents' cognitive aptitude

被引：153

作者：

Harden, K. Paige

Turkheimer, Eric

Loehlin, John C.

机构：

[1] Univ Virginia, Dept Psychol, Charlottesville, VA 22904 USA

[2] Univ Texas, Austin, TX 78712 USA

来源：

BEHAVIOR GENETICS | 2007年 / 37卷 / 02期

关键词：

gene-environment interaction; intelligence; socioeconomic status; cognitive aptitude;

D O I：

10.1007/s10519-006-9113-4

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

In a replication of Turkheimer, Haley, Waldron, D'Onofrio, Gottesman II (2003, Socioeconomic status modifies heritability of IQ in young children. Psychological Science, 14:623-628), we investigate genotype-environment (G x E) interaction in the cognitive aptitude of 839 twin pairs who completed the National Merit Scholastic Qualifying Test in 1962. Shared environmental influences were stronger for adolescents from poorer homes, while genetic influences were stronger for adolescents from more affluent homes. No significant differences were found between parental income and parental education interaction effects. Results suggest that environmental differences between middle- to upper-class families influence the expression of genetic potential for intelligence, as has previously been suggested by Bronfenbrenner and Ceci's (1994, Nature-nurture reconceptualized in developmental perspective: a bioecological model Psychological Review, 101:568-586) bioecological model.

引用

页码：273 / 283

页数：11

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