The Neurodevelopmental Dynamics of Multilingual Experience During Childhood: A Longitudinal Behavioral, Structural, and Functional MRI Study
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View abstract on PubMed
Summary
This summary is machine-generated.Multilingualism in children reshapes the brain, influencing executive attention and cognitive control networks. Early multilingual experiences drive neural adaptation and specialization in key brain regions like the dorsal anterior cingulate cortex/pre-supplemental area and left caudate.
Area Of Science
- Neurobiology
- Developmental Neuroscience
- Cognitive Neuroscience
Background
- A comprehensive neurobiological framework for multilingual development requires longitudinal data, consideration of brain constraints, and assessment of global competence.
- This study investigates early changes in executive attention and related frontal-striatal neural structures due to multilingualism.
Purpose Of The Study
- To examine how multilingual competence influences executive attention control mechanisms.
- To identify early structural and functional brain changes in the frontal-striatal system associated with multilingualism.
Main Methods
- Longitudinal neuroimaging and functional connectivity analyses were conducted over two years.
- A small cohort of multilingual children participated in the study.
Main Results
- The dorsal anterior cingulate cortex/pre-supplemental area (dACC/preSMA) showed functional influence from multilingual competence, but not yet structural adaptation.
- The left caudate demonstrated developmental influence, adaptation, and specialization driven by multilingual experiences.
- Increased multilingual competence strengthened functional connections within the cognitive control network, including the dACC/preSMA, left caudate, right inferior frontal gyrus, and bilateral inferior parietal lobules.
Conclusions
- Multilingual competence significantly impacts brain adaptation and specialization during childhood.
- Findings offer insights into experience-expectant and experience-dependent brain plasticity.
- Results highlight the interaction between multilingualism and neurodevelopment, guiding future research.
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