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Executive Processes Underpin the Bilingual Advantage on Phonemic Fluency: Evidence from Analyses of Switching and Clustering
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi.
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi.
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi. Division of Human Work Science, Luleå University of Technology, Luleå, Sweden.
2019 (engelsk)Inngår i: Frontiers in Psychology, ISSN 1664-1078, E-ISSN 1664-1078, Vol. 10, artikkel-id 1355Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Bilinguals often show a disadvantage in lexical access on verbal fluency tasks wherein the criteria require the production of words from semantic categories. However, the pattern is more heterogeneous for letter (phonemic) fluency wherein the task is to produce words beginning with a given letter. Here, bilinguals often outperform monolinguals. One explanation for this is that phonemic fluency, as compared with semantic fluency, is more greatly underpinned by executive processes and that bilinguals exhibit better performance on phonemic fluency due to better executive functions. In this study, we re-analyzed phonemic fluency data from the Betula study, scoring outputs according to two measures that purportedly reflect executive processes: clustering and switching. Consistent with the notion that bilinguals have superior executive processes and that these can be used to offset a bilingual disadvantage in verbal fluency, bilinguals (35-65 years at baseline) demonstrated greater switching and clustering throughout the 15-year study period.

sted, utgiver, år, opplag, sider
Frontiers Media S.A., 2019. Vol. 10, artikkel-id 1355
Emneord [en]
bilingualism, aging, phonemic fluency, executive function, longitudinal study
HSV kategori
Forskningsprogram
psykologi
Identifikatorer
URN: urn:nbn:se:umu:diva-160201DOI: 10.3389/fpsyg.2019.01355ISI: 000471303800001PubMedID: 31244740OAI: oai:DiVA.org:umu-160201DiVA, id: diva2:1325047
Forskningsfinansiär
Knut and Alice Wallenberg Foundation, KAW 2014.0205Riksbankens Jubileumsfond, 1988-0082:17Riksbankens Jubileumsfond, J2001-0682Swedish Research Council, 421-2011-1782Swedish Research Council, 345-2003-3883Swedish Research Council, 315-2004-6977Swedish Research Council, 2015-01116Forte, Swedish Research Council for Health, Working Life and Welfare, 2211-0505Tilgjengelig fra: 2019-06-14 Laget: 2019-06-14 Sist oppdatert: 2019-07-10bibliografisk kontrollert

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Hansson, PatrikEriksson Sörman, DanielKörning Ljungberg, Jessica

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