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Brain potential and functional MRI evidence for how to handle two languages with one brain

Author

Listed:
  • Antoni Rodriguez-Fornells

    (Otto von Guericke University, Universitätsplatz 2)

  • Michael Rotte

    (Klinik für Neurologie 2, Otto von Guericke University)

  • Hans-Jochen Heinze

    (Klinik für Neurologie 2, Otto von Guericke University)

  • Tömme Nösselt

    (Klinik für Neurologie 2, Otto von Guericke University)

  • Thomas F. Münte

    (Otto von Guericke University, Universitätsplatz 2)

Abstract

Bilingual individuals need effective mechanisms to prevent interference from one language while processing material in the other1. Here we show, using event-related brain potentials and functional magnetic resonance imaging (fMRI), that words from the non-target language are rejected at an early stage before semantic analysis in bilinguals. Bilingual Spanish/Catalan and monolingual Spanish subjects were instructed to press a button when presented with words in one language, while ignoring words in the other language and pseudowords. The brain potentials of bilingual subjects in response to words of the non-target language were not sensitive to word frequency, indicating that the meaning of non-target words was not accessed in bilinguals. The fMRI activation patterns of bilinguals included a number of areas previously implicated in phonological and pseudoword processing2,3,4,5, suggesting that bilinguals use an indirect phonological access route to the lexicon of the target language to avoid interference6.

Suggested Citation

  • Antoni Rodriguez-Fornells & Michael Rotte & Hans-Jochen Heinze & Tömme Nösselt & Thomas F. Münte, 2002. "Brain potential and functional MRI evidence for how to handle two languages with one brain," Nature, Nature, vol. 415(6875), pages 1026-1029, February.
    • Handle: RePEc:nat:nature:v:415:y:2002:i:6875:d:10.1038_4151026a
    DOI: 10.1038/4151026a
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    Cited by:

    1. Sylvain Moreno & Zofia Wodniecka & William Tays & Claude Alain & Ellen Bialystok, 2014. "Inhibitory Control in Bilinguals and Musicians: Event Related Potential (ERP) Evidence for Experience-Specific Effects," PLOS ONE, Public Library of Science, vol. 9(4), pages 1-8, April.

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