Genetics of intelligence

Ian J. Deary, Frank M. Spinath, Timothy C. Bates

Research output: Contribution to journalLiterature reviewpeer-review

Abstract

This article provides an overview of the biometric and molecular genetic studies of human psychometric intelligence. In the biometric research, special attention is given to the environmental and genetic contributions to specific and general cognitive ability differences, and how these differ from early childhood to old age. Special mention is also made of multivariate studies that examine the genetic correlation between intelligence test scores and their correlates such as processing speed, birth weight and brain size. After an overview of candidate gene associations with intelligence test scores, there is a discussion of whole-genome linkage and association studies, the first of which have only recently appeared.

Original languageEnglish
Pages (from-to)690-700
Number of pages11
JournalEuropean Journal of Human Genetics
Volume14
Issue number6
DOIs
Publication statusPublished - Jun 2006

Keywords

  • IQ
  • intelligence
  • heritability
  • environment
  • twins
  • adoption
  • COLORADO-ADOPTION-PROJECT
  • MULTIVARIATE PATH-ANALYSIS
  • GENERAL COGNITIVE-ABILITY
  • SCOTTISH MENTAL SURVEYS
  • FUNCTIONAL POLYMORPHISM
  • BIRTH-WEIGHT
  • SOCIOECONOMIC-STATUS
  • PERSONALITY-TRAIT
  • PREFRONTAL CORTEX
  • COMT POLYMORPHISM

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