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Arcuate fasciculus architecture is associated with individual differences in pre-attentive detection of unpredicted music changes
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.archives-ouvertes.fr/hal-03132095 ; NeuroImage, Elsevier, 2021, 229, pp.117759. ⟨10.1016/j.neuroimage.2021.117759⟩ (2021)
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Tracking the microstructural properties of the main white matter pathways underlying speech processing in simultaneous interpreters
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.archives-ouvertes.fr/hal-02099969 ; NeuroImage, Elsevier, 2019, 191, pp.518-528. ⟨10.1016/j.neuroimage.2019.02.056⟩ (2019)
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Abstract:
International audience ; Due to the high linguistic and cognitive demands placed on real-time language translation, professional simultaneous interpreters (SIs) have previously been proposed to serve as a reasonable model for evaluating experience-dependent brain properties. However, currently it is still unknown whether intensive language training during adulthood might be reflected in microstructural changes in language-related white matter pathways contributing to sound-to-meaning mapping, auditory-motor integration, and verbal memory functions. Accordingly, we used a fully automated probabilistic tractography algorithm and compared the white matter microstructure of the bilateral inferior longitudinal fasciculus (ILF), uncinate fasciculus (UF), and arcuate fasciculus (AF, long and anterior segments) between professional SIs and multilingual control participants. In addition, we classically re-evaluated the three constitutional elements of the AF (long, anterior, and posterior segments) using a deterministic manual dissection procedure. Automated probabilistic tractography demonstrated overall reduced mean fractional anisotropy (FA) and increased radial diffusivity (RD) in SIs in the fiber tracts of the left hemisphere (LH). Furthermore, SIs exhibited reduced mean FA in the bilateral AF. However, according to manual dissection, this effect was limited to the anterior AF segment and accompanied by increased mean RD. Deterministic AF reconstruction also uncovered increased mean FA in the right and RD in the left long AF segment in SIs compared to controls. These results point to a relationship between simultaneous interpreting and white matter organization of pathways underlying speech and language processing in the language-dominant LH as well as of the AF.
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Keyword:
[SCCO]Cognitive science; [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]; arcuate fasciculus; dorsal and ventral streams; DTI; plasticity; probabilistic and deterministic tractography; simultaneous interpreters
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URL: https://hal.archives-ouvertes.fr/hal-02099969
https://hal.archives-ouvertes.fr/hal-02099969/file/NIMG-18-2685_R2.pdf
https://doi.org/10.1016/j.neuroimage.2019.02.056
https://hal.archives-ouvertes.fr/hal-02099969/document
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White-matter structural connectivity predicts short-term melody and rhythm learning in non-musicians
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.archives-ouvertes.fr/hal-02099977 ; NeuroImage, Elsevier, 2018, 181, pp.252-262. ⟨10.1016/j.neuroimage.2018.06.054⟩ (2018)
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Semantic and phonological schema influence spoken word learning and overnight consolidation. ...
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Semantic and phonological schema influence spoken word learning and overnight consolidation.
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| 6 |
Semantic and phonological schema influence spoken word learning and overnight consolidation
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Structural neuroplasticity in expert pianists depends on the age of musical training onset
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.archives-ouvertes.fr/hal-02099985 ; NeuroImage, Elsevier, 2016, 126, pp.106-119. ⟨10.1016/j.neuroimage.2015.11.008⟩ (2016)
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