Right Forceps Minor and Anterior Thalamic Radiation Predict Executive Function Skills in Young Bilingual Adults

Frontiers in Psychology
Ping C MamiyaPatricia K Kuhl

Abstract

Executive function (EF) skills enhance learning across domains, and are particularly linked to the acquisition of a second language. Previous studies have shown that bilingual individuals show enhanced EF skills in cognitive tasks where they attended a targeted dimension of a stimulus while inhibiting other competing cues. Brain imaging revealed that bilingual young adults' performances in the Stroop color-naming task were related to the volume of anterior cingulate cortex (ACC) and inferior frontal lobe. Subjects who had greater white-matter in the frontal cortex showed enhanced performances in the same task, suggesting that brain fiber pathways connecting ACC to the frontal region may be related to the Stroop color-naming task. No studies to date have examined the tissue properties of brain fiber pathways connecting these brain regions and their association with subjects' EF performances. Importantly, there are no data establishing whether bilingual subjects exhibit different reaction times when words are presented in their first versus second language. To study these questions, we used behavioral and unbiased whole-brain analyses, recruiting 21 Chinese students. Using the Stroop color-naming task, we measured subjects' react...Continue Reading

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Citations

Sep 17, 2020·Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging·Maria Margarita Lopez-TitlaJuan Fernandez-Ruiz
Jul 25, 2020·European Eating Disorders Review : the Journal of the Eating Disorders Association·Nara Mendes EstellaAngélica Medeiros Claudino
Sep 27, 2019·Journal of Experimental Neuroscience·Vincent DeLuca
Nov 13, 2020·The Journal of Clinical Endocrinology and Metabolism·Nicole StantonyongeBeatriz Gómez-Anson

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