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Functional MRI of native and non-native speech production in sequential German-English bilinguals

Miriam Treutler, View ORCID ProfilePeter Sörös
doi: https://doi.org/10.1101/2021.02.18.431784
Miriam Treutler
1European Medical School Oldenburg-Groningen, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
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Peter Sörös
2Department of Neurology, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
3Research Center Neurosensory Science, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
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  • ORCID record for Peter Sörös
  • For correspondence: peter.soros@gmail.com
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Abstract

Bilingualism and multilingualism are highly prevalent. Non-invasive brain imaging has been used to study the neural correlates of native (L1) and non-native (L2) speech and language production, mainly on the lexical and syntactic level. Here, we acquired continuous fast event-related FMRI during visually cued overt production of exclusively German and English vowels and syllables. We analyzed data from 13 university students, native speakers of German and sequential English bilinguals. The production of non-native English sounds was associated with increased activity of the left primary sensori-motor cortex, bilateral cerebellar hemispheres (lobule VI), left inferior frontal gyrus, and left anterior insula compared to native German sounds. The contrast German > English sounds was not statistically significant. Our results emphasize that the production of non-native speech requires additional neural resources already on a basic phonological level in sequential bilinguals.

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • https://osf.io/t9qcw/

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted February 18, 2021.
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Functional MRI of native and non-native speech production in sequential German-English bilinguals
Miriam Treutler, Peter Sörös
bioRxiv 2021.02.18.431784; doi: https://doi.org/10.1101/2021.02.18.431784
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Functional MRI of native and non-native speech production in sequential German-English bilinguals
Miriam Treutler, Peter Sörös
bioRxiv 2021.02.18.431784; doi: https://doi.org/10.1101/2021.02.18.431784

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