HERITABILITY OF COGNITIVE-ABILITIES IN ADULT TWINS - COMPARISON OF MINNESOTA AND SWEDISH DATA

被引：103

作者：

FINKEL, D

PEDERSEN, NL

MCGUE, M

MCCLEARN, GE

机构：

[1] KAROLINSKA INST,INST ENVIRONM MED,S-10401 STOCKHOLM,SWEDEN

[2] PENN STATE UNIV,COLL HLTH & HUMAN DEV,CTR DEV & HLTH GENET,UNIVERSITY PK,PA 16802

[3] UNIV MINNESOTA,DEPT PSYCHOL,MINNEAPOLIS,MN 55455

来源：

BEHAVIOR GENETICS | 1995年 / 25卷 / 05期

关键词：

COGNITIVE ABILITIES; TWINS; HERITABILITY; AGE DIFFERENCES; SAMPLE DIFFERENCES;

D O I：

10.1007/BF02253371

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：

Cross-sectional reports suggest heritability of cognitive ability increases throughout adulthood. To investigate this hypothesis, quantitative genetic analyses were conducted on four measures of cognitive ability (verbal, spatial, perceptual speed, memory). Data from Minnesota and Swedish twin studies of aging were compared. Heritability estimates and the factor structure of cognitive abilities could be equated across younger twins (age, 27-50) and middle-aged twins (age, 50-65) from both studies, suggesting stability of heritability during adulthood. The heritability of 81% for a general cognitive factor confirmed earlier findings of high heritability in younger and middle-aged samples. Older Swedish twins (age, 65-85) demonstrated significantly lower heritability estimates for cognitive abilities (54%) and a significantly different factor structure of cognitive ability.

引用

页码：421 / 431

页数：11

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