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Neural correlates of emotion-attention interactions: from perception, learning, and memory to social cognition, individual differences, and training interventions
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Second-language proficiency modulates the brain language control network in bilingual translators: An event-related fMRI study
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Language Control and Lexical Competition in Bilinguals: An Event-Related fMRI Study
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Opposite ERP effects for conscious and unconscious semantic processing under continuous flash suppression
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Semantic relatedness and first-second language effects in the bilingual brain: a brain mapping study
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Dissociation between goal-directed and discrete response localization in a patient with bilateral cortical blindness
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On the origin of the N400 effects: An ERP waveform and source localization analysis in three matching tasks
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Language Control and Lexical Competition in Bilinguals: An Event-Related fMRI Study
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Language control and lexical competition in bilinguals: An event-related fMRI study
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Language Control and Lexical Competition in Bilinguals: An Event-Related fMRI Study
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Language selection in bilinguals: A spatio-temporal analysis of electric brain activity
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Abstract:
Language selection refers to the cognitive mechanism that allows bilinguals to communicate in one language or the other and to switch between languages depending on the listener. Previous studies suggested that various brain areas might be involved in this process. However, the question remains whether language selection is achieved through a language-specific mechanism or through a general cognitive control process. To address this question, we compared event-related potentials (ERPs) induced by language selection and task selection processes during image naming. ERPs were collected from bilingual subjects while tested in two different contexts: a monolingual task selection context (TSc) where a post-stimulus cue instructed subjects either to name the image or generate a corresponding verb in their first language (L1), and a bilingual language selection context (LSc) where the cue indicated to name the image either in the first or the second language. By comparing the ERPs induced by the same L I naming as a function of context, we assumed that if the selection processes varied across contexts, then electric brain responses should differ rapidly after the cue presentation. Our analysis indicated that the first ERP differences accounting for the diverging processes involved appeared between similar to 220 and 300 ms after the cue. The estimation by source localisation of brain regions accounting for these differences pointed to an increased activation during LSc in the left middle frontal-precentral gyri, supramarginal and angular gyri. Our results suggest that language selection is achieved through a neural network involving areas implicated in both general cognitive processes and language processing. (c) 2007 Elsevier B.V. All rights reserved.
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Keyword:
2737 Physiology (medical); 2800 Neuroscience; 2Nd-Language; 3206 Neuropsychology and Physiological Psychology; Activation; Cognitive Control; Erp; Information; Mechanisms; Neural Basis; Task; Word; Working-Memory
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URL: https://espace.library.uq.edu.au/view/UQ:7cfa2a4
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The time course of semantic category processing in the cerebral hemispheres: an electrophysiological study
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Spatio-temporal analysis of electric brain activity during semantic and phonological word processing
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Spatio-temporal analysis of electric brain activity during semantic and phonological word processing
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