Literature DB >> 2256894

The heritability of intelligence in Japan.

R Lynn1, K Hattori.   

Abstract

Japanese data for 543 monozygotic (MZ) twins and 134 dizygotic (DZ) twins tested for intelligence at the age of 12 give correlation coefficients of .782 and .491, respectively, indicating a heritability of .582. Heavier twins at birth have significantly higher IQs at the age of 12, suggesting that prenatal nutrition exerts a significant effect on intelligence.

Mesh：

Year:  1990        PMID： 2256894     DOI： 10.1007/bf01067719

Source DB:  PubMed          Journal:  Behav Genet        ISSN： 0001-8244            Impact factor:   2.805


  4 in total

1.  Intelligence and birth weight in identical twins.

Authors:  L Willerman; J A Churchill
Journal:  Child Dev       Date:  1967-09

2.  Familial studies of intelligence: a review.

Authors:  T J Bouchard; M McGue
Journal:  Science       Date:  1981-05-29       Impact factor: 47.728

3.  [Influence of early physical conditions on the development of intelligence, with special reference to the analysis of monozygotic twins].

Authors:  T Takuma
Journal:  Shinrigaku Kenkyu       Date:  1966-12

4.  Delayed growth and reduced intelligence in 9-17 year old intrauterine growth retarded children compared with their monozygous co-twins.

Authors:  L Henrichsen; K Skinhøj; G E Andersen
Journal:  Acta Paediatr Scand       Date:  1986-01
  4 in total
  1 in total

1.  Brain size and cognitive ability: Correlations with age, sex, social class, and race.

Authors:  J P Rushton; C D Ankney
Journal:  Psychon Bull Rev       Date:  1996-03
  1 in total

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