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Longitudinal effects of bilingualism on dual-tasking
Department of Psychology, Umeå University, Umeå, Sweden.ORCID iD: 0000-0002-2709-9966
Centre for Demographic and Ageing Research, Umeå University, Umeå, Sweden.
School of Psychology, University of Central Lancashire, Preston, United Kingdom.
Department of Psychology, Umeå University, Umeå, Sweden.
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2017 (English)In: PLoS ONE, E-ISSN 1932-6203, Vol. 12, no 12, article id e0189299Article in journal (Refereed) Published
Abstract [en]

An ongoing debate surrounds whether bilinguals outperform monolinguals in tests of executive processing. The aim of this study was to investigate if there are long-term (10 year) bilingual advantages in executive processing, as indexed by dual-task performance, in a sample that were 40–65 years at baseline. The bilingual (n = 24) and monolingual (n = 24) participants were matched on age, sex, education, fluid intelligence, and study sample. Participants performed free-recall for a 12-item list in three dual-task settings wherein they sorted cards either during encoding, retrieval, or during both encoding and retrieval of the word-list. Free recall without card sorting was used as a reference to compute dual-task costs. The results showed that bilinguals significantly outperformed monolinguals when they performed card-sorting during both encoding and retrieval of the word-list, the condition that presumably placed the highest demands on executive functioning. However, dual-task costs increased over time for bilinguals relative to monolinguals, a finding that is possibly influenced by retirement age and limited use of second language in the bilingual group.

Place, publisher, year, edition, pages
2017. Vol. 12, no 12, article id e0189299
Keywords [en]
bilingualism, cognition, memory
National Category
Psychology (excluding Applied Psychology) Production Engineering, Human Work Science and Ergonomics
Identifiers
URN: urn:nbn:se:ltu:diva-76924DOI: 10.1371/journal.pone.0189299OAI: oai:DiVA.org:ltu-76924DiVA, id: diva2:1373904
Funder
Knut and Alice Wallenberg Foundation, Knut and Alice Wallenberg foundation [grant number KAW 2014.0205].Available from: 2019-11-28 Created: 2019-11-28 Last updated: 2020-04-06Bibliographically approved

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Sörman, Daniel ErikssonKörning-Ljungberg, Jessica

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