Language learning under working memory constraints correlates with microstructural differences in the ventral language pathway

Diana Lopez-Barroso, Ruth De Diego-Balaguer*, Toni Cunillera, Estela Camara, Thomas F. Münte, Antoni Rodriguez-Fornells

*Corresponding author for this work

Abstract

The present study combined behavioral measures and diffusion tensor imaging to investigate the neuroanatomical basis of language learning in relation to phonological working memory (WM). Participants were exposed to simplified artificial languages under WM constraints. The results underscore the role of the rehearsal subcomponent of WM in successful speech segmentation and rule learning. Moreover, when rehearsal was blocked task performance was correlated to the white matter microstructure of the left ventral pathway connecting frontal and temporal language-related cortical areas through the extreme/external capsule. This ventral pathway may therefore play an important additional role in language learning when the main dorsal pathway-dependent rehearsal mechanisms are not available.

Original languageEnglish
JournalCerebral Cortex
Volume21
Issue number12
Pages (from-to)2742-2750
Number of pages9
ISSN1047-3211
DOIs
Publication statusPublished - 12.2011

Funding

Grant from the Volkswagen Foundation (T.F.M./A.R.F.) and Grants from the Spanish Government to A.R.F. (MICINN, PSI2008-03901) and R.D.B. (MICINN, PSI2008-3885). D.L.B. was supported by a predoctoral grant (2010FI_B1 00169) from the Catalan government. T.F.M. is also supported by the Deutche Forschungsgemeinschaft (DFG, SFBTR31 TP A7).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being
  2. SDG 10 - Reduced Inequalities
    SDG 10 Reduced Inequalities

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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