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Where, When and Why Brain Activation Differs for Bilinguals and Monolinguals during Picture Naming and Reading Aloud

Parker Jones, ‘?iwi, Green, David W., Grogan, Alice, Pliatsikas, Christos, Filippopolitis, Konstantinos, Ali, Nilufa, Lee, Hwee Ling, Ramsden, Sue, Gazarian, Karine, Prejawa, Susan, and others. (2012) Where, When and Why Brain Activation Differs for Bilinguals and Monolinguals during Picture Naming and Reading Aloud. Cerebral Cortex, 22 (4). pp. 892-902. ISSN 1047-3211. (doi:10.1093/cercor/bhr161) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:35138)

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Using functional magnetic resonance imaging, we found that when bilinguals named pictures or read words aloud, in their native or nonnative language, activation was higher relative to monolinguals in 5 left hemisphere regions: dorsal precentral gyrus, pars triangularis, pars opercularis, superior temporal gyrus, and planum temporale. We further demonstrate that these areas are sensitive to increasing demands on speech production in monolinguals. This suggests that the advantage of being bilingual comes at the expense of increased work in brain areas that support monolingual word processing. By comparing the effect of bilingualism across a range of tasks, we argue that activation is higher in bilinguals compared with monolinguals because word retrieval is more demanding; articulation of each word is less rehearsed; and speech output needs careful monitoring to avoid errors when competition for word selection occurs between, as well as within, language.

Item Type: Article
DOI/Identification number: 10.1093/cercor/bhr161
Uncontrolled keywords: bilingualism; control; fMRI; frequency; picture naming; reading
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculties > Social Sciences > School of Psychology > Cognitive Psychology
Depositing User: Christos Pliatsikas
Date Deposited: 16 Sep 2013 18:52 UTC
Last Modified: 01 Aug 2019 10:36 UTC
Resource URI: (The current URI for this page, for reference purposes)
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