Article
No association between general cognitive ability and the A1 allele of the D2 dopamine receptor gene.
Behavior genetics - 1 Jan 1997
Petrill S A, Plomin R, McClearn G E, Smith D L, Vignetti S, Chorney M J, Chorney K, Thompson L A, Detterman D K, Benbow C, Lubinski D, Daniels J, Owen M, McGuffin P
Abstract excerpt
Berman and Noble (1995) reported significantly reduced visuospatial performance in children with the TAQI A1 allele of the D2 dopamine receptor (DRD2) gene. Given that visuospatial performance loads highly on an unrotated principal component indexing general cognitive ability, we tested the association between DRD2 and WISC-R IQ comparing 51 high-IQ, 51 average-IQ, and 35 low-IQ children in the IQ Quantitative...
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