Journal
BILINGUALISM-LANGUAGE AND COGNITION
Volume 17, Issue 3, Pages 630-645Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1366728913000539
Keywords
executive functions; active inhibition; bilingual language processing; frequency of second language use; Stroop interference
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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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