期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 107, 期 11, 页码 5238-5241出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0913053107
关键词
behavioral genetic; face recognition; individual differences; specialist gene; generalist gene
资金
- Economic and Social Research Council
- National Eye Institute [EY-013602]
- National Institutes of Health [F32 EY16933-02]
- National Science Foundation
- Director of Central Intelligence Postdoctoral Fellowship
Compared with notable successes in the genetics of basic sensory transduction, progress on the genetics of higher level perception and cognition has been limited. We propose that investigating specific cognitive abilities with well-defined neural substrates, such as face recognition, may yield additional insights. In a twin study of face recognition, we found that the correlation of scores between monozygotic twins (0.70) was more than double the dizygotic twin correlation (0.29), evidence for a high genetic contribution to face recognition ability. Low correlations between face recognition scores and visual and verbal recognition scores indicate that both face recognition ability itself and its genetic basis are largely attributable to face-specific mechanisms. The present results therefore identify an unusual phenomenon: a highly specific cognitive ability that is highly heritable. Our results establish a clear genetic basis for face recognition, opening this intensively studied and socially advantageous cognitive trait to genetic investigation.
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