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Article

Dopamine D2 receptor and N-methyl-D-aspartate receptor 2B subunit genetic variants and intelligence.

Neuropsychobiology - 1 Jan 2002

Tsai Shih-Jen, Yu Younger W-Y, Lin Ching-Hua, Chen Tai-Jui, Chen Sheau-Ping, Hong Chen-Jee

Abstract excerpt

The dopaminergic and glutamate systems have been implicated in cognitive function. We tested the associations between the dopamine D2 receptor (DRD2) and N-methyl-D-aspartate receptor 2B subunit (GRIN2B) gene variants and intelligence quotient (IQ). Subjects with the DRD2 A1/A1 genotype had a significantly higher mean performance IQ than A2/A2 carriers, while no significant differences in IQ scores were...

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Identifiers

PMID: 11979061
DOI: 10.1159/000054951

Genes

DRD2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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