Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 112, Issue 41, Pages 12887-12892Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1421881112
Keywords
face perception; behavioral genetics; cognitive psychology; twin study
Categories
Funding
- United Kingdom Medical Research Council (MRC) [G0901245, G0500079]
- US National Institutes of Health [HD044454, HD059215]
- MRC studentship
- Medical Research Council [G19/2]
- European Research Council [295366]
- MRC [G0901245, G9817803, G19/2, G0500079] Funding Source: UKRI
- Medical Research Council [G19/2, G9817803B, G0901245, G0500079, G9817803, 1241769] Funding Source: researchfish
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Specific cognitive abilities in diverse domains are typically found to be highly heritable and substantially correlated with general cognitive ability (g), both phenotypically and genetically. Recent twin studies have found the ability to memorize and recognize faces to be an exception, being similarly heritable but phenotypically substantially uncorrelated both with g and with general object recognition. However, the genetic relationships between face recognition and other abilities (the extent to which they share a common genetic etiology) cannot be determined from phenotypic associations. In this, to our knowledge, first study of the genetic associations between face recognition and other domains, 2,000 18- and 19-year-old United Kingdom twins completed tests assessing their face recognition, object recognition, and general cognitive abilities. Results confirmed the substantial heritability of face recognition (61%), and multivariate genetic analyses found that most of this genetic influence is unique and not shared with other cognitive abilities.
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