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Inhibitory control predicts language switching performance in trilingual speech production*

Published online by Cambridge University Press:  29 November 2011

JARED A. LINCK*
Affiliation:
University of Maryland Center for Advanced Study of Language
JOHN W. SCHWIETER
Affiliation:
Wilfrid Laurier University
GRETCHEN SUNDERMAN
Affiliation:
Florida State University
*
Address for correspondence: Jared A. Linck, University of Maryland Center for Advanced Study of Language, 7005 52nd Avenue, College Park, MD 20742, USA jlinck@casl.umd.edu

Abstract

This study investigated the role of domain-general inhibitory control in trilingual speech production. Taking an individual differences approach, we examined the relationship between performance on a non-linguistic measure of inhibitory control (the Simon task) and a multilingual language switching task for a group of fifty-six native English (L1) speakers learning French (L2) and Spanish (L3). Better inhibitory control was related to reduced switch costs, but only when switching into or out of the more dominant L1, where inhibitory control has been theorized to be most important (Green, 1998). The results provide evidence of a direct link between inhibitory control abilities and language switching capabilities, and suggest constraints on the conditions under which a domain-general inhibitory control mechanism supports language switching.

Information

Type
Research Notes
Copyright
Copyright © Cambridge University Press 2011

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