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Common genetic influences on intelligence and auditory simple reaction time in a large Swedish sample
Umeå University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0001-5366-1169
Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden . (Ullén Laboratory)
Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden. (Ullén Laboratory)
Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
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2016 (English)In: Intelligence, ISSN 0160-2896, E-ISSN 1873-7935, Vol. 59, p. 157-162Article in journal (Refereed) Published
Abstract [en]

Intelligence and cognitive ability have long been associated with chronometric performance measures, such as reaction time (RT), but few studies have investigated auditory RT in this context. The nature of this relationship is important for understanding the etiology and structure of intelligence. Here, we present a bivariate twin analysis of simple auditory RT and psychometric intelligence (measured by the Wiener Matrizen Test). The sample consisted of 1,816 complete twin pairs and 4623 singletons enrolled in the Swedish Twin Registry, who performed the tests online. The heritabilities were 0.54 and 0.21 for intelligence and RT, respectively, and the phenotypic correlation was −0.17, 47% of which was explained by common genetic variance. These results are comparable to those found for visual RT and for other cognitive tests, and add RT in the auditory modality to the small literature on common genetic influences across intelligence and other cognitive and chronometric variables.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 59, p. 157-162
Keywords [en]
Intelligence, Reaction time, Simple reaction time, Common genetic factors, Heritability, Timing, Chronometric
National Category
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-129439DOI: 10.1016/j.intell.2016.10.001ISI: 000389168800017OAI: oai:DiVA.org:umu-129439DiVA, id: diva2:1061098
Available from: 2016-12-31 Created: 2016-12-28 Last updated: 2018-06-09Bibliographically approved

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Madison, Guy

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CiteExportLink to record
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  • apa
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