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Interference suppression in bilingualism: Stimulus-Stimulus vs. Stimulus-Response conflict

Published online by Cambridge University Press:  31 August 2021

Lihua Xia ,
Thomas H. Bak ,
Antonella Sorace  and
Mariana Vega-Mendoza
Lihua Xia*
Affiliation:
School of Foreign Languages, Huazhong University of Science and Technology, Wuhan, China School of Philosophy, Psychology & Language Sciences, The University of Edinburgh
Thomas H. Bak
Affiliation:
School of Philosophy, Psychology & Language Sciences, The University of Edinburgh
Antonella Sorace
Affiliation:
School of Philosophy, Psychology & Language Sciences, The University of Edinburgh
Mariana Vega-Mendoza
Affiliation:
School of Philosophy, Psychology & Language Sciences, The University of Edinburgh Department of Health, Education and Technology. Engineering Psychology, Luleå University of Technology, Luleå, Sweden
*
Address for correspondence: Lihua Xia, School of Foreign Languages, Huazhong University of Science and Technology: 1037 Luoyu Road, Hongshan District, Wuhan, Hubei, China, 430074. Email: lihuaxia@hust.edu.cn
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Abstract

Studies examining the potential effects of bilingualism on interference suppression show inconsistent results. Our study approaches this topic by distinguishing two potential subcomponents within interference suppression (i.e., Stimulus-Stimulus and Stimulus-Response conflict). We investigated the two subcomponents through their operationalisation in different tasks and examined the role of language proficiency in modulating it. A sample of 111 young adult participants performed four non-linguistic cognitive tasks measuring both visual and auditory domains of cognitive control. Bilinguals outperformed monolinguals in tasks involving Stimulus-Stimulus conflict, but showed comparable performance in tasks involving Stimulus-Response conflict. Specific effects of language proficiency on cognitive control were observed: group differences in auditory inhibition and visual orienting were only observed between high-proficient bilinguals and monolinguals. Taken together, types of conflicts involved in interference tasks and language proficiency could differentially affect performance in monolinguals and bilinguals.

Keywords

bilingualisminterference suppressionStimulus-Stimulus inhibitionStimulus-Response inhibitionlanguage proficiency
Type
Research Article
Information
Bilingualism: Language and Cognition , Volume 25 , Issue 2 , March 2022 , pp. 256 - 268
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Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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