69 research outputs found

    Neurodynamics of executive control processes in bilinguals: evidence from ERP and source reconstruction analyses

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    International audienceThe present study was designed to examine the impact of bilingualism on the neuronal activity in different executive control processes namely conflict monitoring, control implementation (i.e., interference suppression and conflict resolution) and overcoming of inhibition. Twenty-two highly proficient but non-balanced successive French–German bilingual adults and 22 monolingual adults performed a combined Stroop/Negative priming task while event-related potential (ERP) were recorded online. The data revealed that the ERP effects were reduced in bilinguals in comparison to monolinguals but only in the Stroop task and limited to the N400 and the sustained fronto-central negative-going potential time windows. This result suggests that bilingualism may impact the process of control implementation rather than the process of conflict monitoring (N200). Critically, our study revealed a differential time course of the involvement of the anterior cingulate cortex (ACC) and the prefrontal cortex (PFC) in conflict processing. While the ACC showed major activation in the early time windows (N200 and N400) but not in the latest time window (late sustained negative-going potential), the PFC became unilaterally active in the left hemisphere in the N400 and the late sustained negative-going potential time windows. Taken together, the present electroencephalography data lend support to a cascading neurophysiological model of executive control processes, in which ACC and PFC may play a determining role

    How do we account for the absence of “change deafness”?

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    The Relationship between Production and Cognitive Processing of Liaison

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    This article reviews the state of the art on cognitive processing of French liaison in the domains of both production and perception. Corpus studies in recent decades have demonstrated that liaison is a highly variable phenomenon; psycholinguistic data have shown that the speakers compensate for the lack of lexical-syllabic alignment based on bottom up (acoustic, phonotactic) and top-down information (phrasal context). We sketch a plan for future research in the neuro- cognition of liaison phenomena for our understanding of how the speakers process different types of liaisons in context
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