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The Functional Overlap of Executive Control and Language Processing in Bilinguals
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Abstract:
The need to control multiple languages is thought to require domain-general executive control (EC) in bilinguals such that the EC and language systems become interdependent. However, there has been no systematic investigation into how and where EC and language processes overlap in the bilingual brain. If the concurrent recruitment of EC during bilingual language processing is domain-general and extends to non-linguistic EC, we hypothesize that regions commonly involvement in language processing, linguistic EC, and non-linguistic EC may be selectively altered in bilinguals compared to monolinguals. A conjunction of functional magnetic resonance imaging (fMRI) data from a flanker task with linguistic and nonlinguistic distractors and a semantic categorization task showed functional overlap in the left inferior frontal gyrus (LIFG) in bilinguals, whereas no overlap occurred in monolinguals. This research therefore identifies a neural locus of functional overlap of language and EC in the bilingual brain.
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URL: https://doi.org/10.1017/S1366728915000188 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5042330/
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Separating lexical-semantic access from other mnemonic processes in picture-name verification
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Assessing crossmodal matching of abstract auditory and visual stimuli in posterior superior temporal sulcus with MEG
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Dopamine regulation of human speech and bird song: A critical review
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Dopamine regulation of human speech and bird song: a critical review.
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From Phonemes to Articulatory Codes: An fMRI Study of the Role of Broca's Area in Speech Production
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From Phonemes to Articulatory Codes: An fMRI Study of the Role of Broca's Area in Speech Production
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From Phonemes to Articulatory Codes: An fMRI Study of the Role of Broca's Area in Speech Production
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Functional but not structural networks of the human laryngeal motor cortex show left hemispheric lateralization during syllable but not breathing production
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Distinguishing the Processing of Gestures from Signs in Deaf Individuals: An fMRI Study
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Experimental-neuromodeling framework for understanding auditory object processing: integrating data across multiple scales.
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