Crosslinguistic interplay between semantics and phonology in late bilinguals: neurophysiological evidence

Novitskiy, Nikolay, Myachykov, Andriy and Shtyrov, Yuri (2018) Crosslinguistic interplay between semantics and phonology in late bilinguals: neurophysiological evidence. Bilingualism Language and Cognition. ISSN 1366-7289 (In Press)

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Official URL: https://doi.org/10.1017/S1366728918000627

Abstract

We investigated effects of crosslinguistic phonological and semantic similarity on the bilingual lexicon of late unbalanced bilinguals. Our masked priming paradigm used L1 (Russian) words as masked primes and L2 (English) words as targets. The primes and the targets either overlapped – phonologically, semantically, both phonologically and semantically – or did not overlap. Participants maintained the targets in memory and matched them against occasionally presented catch stimuli. N170 and N400 components of the word-elicited high-density ERPs were identified and analysed in signal and source space. Crosslinguistic semantic similarity shortened the reaction times. The semantics-related N400 amplitude difference correlated with individual L2 proficiency, while phonological similarity suppressed the N400 amplitude in the semantically unrelated condition. ERP source analysis suggests that these ERP dynamics are underpinned by cortical generators in the left IFG and the temporal pole. We conclude that the semantic and phonological interplay between L1 and L2 suggest an integrated bilingual lexicon.

Item Type: Article
Uncontrolled Keywords: bilinguals, homophones, Russian, masked priming, ERP, N170, N400, non-selective access
Subjects: C800 Psychology
Q100 Linguistics
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Andriy Myachykov
Date Deposited: 23 May 2018 15:12
Last Modified: 24 May 2018 18:45
URI: http://nrl.northumbria.ac.uk/id/eprint/34333

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