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Successive bilingualism and executive functions: The effect of second language use on inhibitory control in a behavioural Stroop Colour Word task*
Published online by Cambridge University Press: 29 November 2013
Abstract
Here we examined the role of bilingualism on cognitive inhibition using the Stroop Colour Word task. Our hypothesis was that the frequency of use of a second language (L2) in the daily life of successive bilingual individuals impacts the efficiency of their inhibitory control mechanism. Thirty-three highly proficient successive French–German bilinguals, living either in a French or in a German linguistic environment, performed a Stroop task on both French and German words. Moreover, 31 French monolingual individuals were also tested with French words. We showed that the bilingual advantage was (i) reinforced by the use of a third language, and (ii) modulated by the duration of immersion in a second language environment. This suggests that top–down inhibitory control is most involved at the beginning of immersion. Taken together, the present findings lend support to the psycholinguistic models of bilingual language processing that postulate that top–down active inhibition is involved in language control.
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- Copyright © Cambridge University Press 2013
Footnotes
This research was supported by a grant from the University of Vienna awarded to Karin Heidlmayr and by a grant from Paris Descartes University (Projet de Recherches Collaboratives 2010–2011, Paris Descartes University) to Frédéric Isel and has been partially funded by the Labex EFL (ANR/CGI). Earlier reports on this research were presented at the Donostia Workshop on Neurobilingualism (Donostia-San Sebastian, Spain, September 30 – October 2, 2010) and at the conference Bilingual and Multilingual Interaction (Bangor, UK, March 30 – April 1, 2012). We would like to thank Judith F. Kroll for valuable discussions and for her review, as well as to two anonymous reviewers for their helpful comments on earlier versions of this manuscript. We are also grateful to Karine Doré-Mazars and Lisa Rosenfelt for fruitful comments. We are sad to note that our co-author Cyril Courtin passed away before the publication of the paper.
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