In pursuit of the "spatial gene": A family study

John C. Loehlin, Shlomo Sharan, Rivka Jacoby

Research output: Contribution to journalArticlepeer-review

Abstract

Members of 192 families in the Tel Aviv area were given a battery of eight cognitive tests focusing on spatial measures but sampling verbal, numerical, and perceptual speed domains as well. The patterns of parent-child and sibling correlations gave very weak evidence, if any, for the operation of the X-linked recessive gene postulated by Stafford and others to affect performance on tasks involving spatial visualization. An analysis of male and female score distributions provided results more favorable to the X-linkage hypothesis, at least for the child generation, although suggesting that X linkage does not explain the whole male-female difference in performance on spatial tasks.

Original languageEnglish
Pages (from-to)27-41
Number of pages15
JournalBehavior Genetics
Volume8
Issue number1
DOIs
StatePublished - Jan 1978

Keywords

  • X linkage
  • cognitive abilities
  • family correlations
  • sex differences
  • spatial visualization

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