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Neuroimaging of phonetic perception in bilinguals*

Published online by Cambridge University Press:  06 October 2015

NARLY GOLESTANI
NARLY GOLESTANI*
Affiliation:
University of Geneva
*
Address for correspondence: Brain and Language Lab, Department of Clinical Neuroscience, Campus Biotech, 9 Chemin des Mines, 1202 Genève, Switzerland. Narly.Golestani@unige.ch
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Abstract

This review addresses the cortical basis of phonetic processing in bilinguals and of phonetic learning, with a focus on functional magnetic resonance imaging studies of phonetic perception. Although results vary across studies depending on stimulus characteristics, task demands, and participants’ previous experience with the non-native/second-language sounds, taken together, the literature reveals involvement of overlapping brain regions during phonetic processing in the first and second language of bilinguals, with special involvement of regions of the dorsal audio-motor interface including frontal and posterior cortices during the processing of new, or ‘difficult’ speech sounds. These findings converge with the brain imaging literature on language processing in bilinguals more generally, during semantic and syntactic processing of words and of connected speech. More brain imaging work can serve to better elucidate the precise mechanisms underlying phonetic encoding and its interaction with articulatory processes, in particular where multiple phonetic repertoires have been or are being acquired.

Keywords

neuroimagingphoneticperceptionbilingualsnon-nativelearning
Type
Review Article
Information
Bilingualism: Language and Cognition , Volume 19 , Issue 4 , August 2016 , pp. 674 - 682
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Copyright
Copyright © Cambridge University Press 2015 

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Footnotes

*

This work was supported by the Swiss National Science Foundation (PP00P3_133701). I would like to thank Christophe Pallier and an anonymous reviewer, who provided helpful comments on this review.

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