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Related Experiment Video

Updated: Apr 2, 2026

Holistic Facial Composite Creation and Subsequent Video Line-up Eyewitness Identification Paradigm
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Genetic specificity of face recognition.

Nicholas G Shakeshaft1, Robert Plomin2

  • 1Medical Research Council Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London SE5 8AF, United Kingdom nicholas.shakeshaft@kcl.ac.uk.

Proceedings of the National Academy of Sciences of the United States of America
|September 30, 2015
PubMed
Summary

Most genetic influences on face recognition are unique and not shared with other cognitive abilities. This study explored the genetic basis of face recognition in twins, finding it largely independent of general cognitive ability.

Keywords:
behavioral geneticscognitive psychologyface perceptiontwin study

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Area of Science:

  • Behavioral Genetics
  • Cognitive Neuroscience
  • Human Genetics

Background:

  • Specific cognitive abilities are typically highly heritable and correlate with general cognitive ability (g).
  • Face recognition was previously found to be heritable but phenotypically uncorrelated with g and object recognition.
  • Genetic relationships between face recognition and other cognitive abilities remain largely unexplored.

Purpose of the Study:

  • To investigate the genetic associations between face recognition and other cognitive abilities.
  • To determine the extent to which genetic influences on face recognition are shared with other cognitive domains.
  • To clarify the unique genetic etiology of face recognition.

Main Methods:

  • Utilized a twin study design with 2,000 participants aged 18-19 years in the United Kingdom.
  • Administered tests measuring face recognition, object recognition, and general cognitive abilities.
  • Performed multivariate genetic analyses to assess shared and unique genetic influences.

Main Results:

  • Confirmed substantial heritability of face recognition, estimated at 61%.
  • Multivariate genetic analyses revealed that the majority of genetic influence on face recognition is unique.
  • Found minimal shared genetic overlap between face recognition and other cognitive abilities, including general cognitive ability and object recognition.

Conclusions:

  • The genetic architecture of face recognition is largely distinct from that of other cognitive abilities.
  • Most genetic factors contributing to face recognition ability are specific to this domain.
  • This finding has implications for understanding the genetic basis of cognitive specialization.