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Article

The genetic basis of the relation between speed-of-information-processing and IQ.

Behavioural brain research - 1 Sept 1998

Rijsdijk F V, Vernon P A, Boomsma D I

Abstract excerpt

The relationship of speed-of-information-processing (SIP), as derived from reaction times (RTs) on experimental tasks, and intelligence has been extensively studied. SIP is suggested to measure the efficiency with which subjects can perform basic cognitive operations underlying a wide range of intellectual abilities. Observed phenotypic correlations between RT and IQ typically are in the -0.2 to -0.4 range, and...

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PMID: 9754879
DOI: 10.1016/s0166-4328(97)00212-x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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