Single nucleotide polymorphism in the neuroplastin locus associates with cortical thickness and intellectual ability in adolescents.

In the regions of the left cerebral cortex most significantly affected by rs7171755, that is, the left temporal and frontal cortices, correlations were also significant for nonverbal IQ ( r (1170)=0.061; P =0.036; and r (1170)=0.075; P =0.011, respectively); there was also borderline significance for correlations with verbal IQ (in the temporal lobe only ( r (1170)=0.059; P =0.044)).

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