Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study

Understanding how children acquire syntactic structures from a limited set of grammatical rules and use them creatively to convey meaning has been a longstanding interest for scientific communities. Previous studies on syntactic development have revealed its close correlation with the development of...

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Main Authors: Dongsu Yan, Tongfu Fang, Wei He, Min Xu
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:NeuroImage
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Online Access:http://www.sciencedirect.com/science/article/pii/S1053811924004841
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author Dongsu Yan
Tongfu Fang
Wei He
Min Xu
author_facet Dongsu Yan
Tongfu Fang
Wei He
Min Xu
author_sort Dongsu Yan
collection DOAJ
description Understanding how children acquire syntactic structures from a limited set of grammatical rules and use them creatively to convey meaning has been a longstanding interest for scientific communities. Previous studies on syntactic development have revealed its close correlation with the development of vocabulary and working memory. Our study sought to elucidate how the relations between syntactic processing, word processing, and working memory were instantiated in the brain, and how earlier neural patterns might predict language abilities one year later. We employed functional near-infrared spectroscopy to examine among preschool children (N=50, Mage=61.5 months) the neural activation associated with processing sentences of varying syntactic complexities, as well as tasks assessing word comprehension and working memory. The results revealed greater brain activation in the left inferior frontal gyrus (IFG) for syntactically complex as compared to simple sentences, and the activation magnitude was correlated with working memory. There was also a link between neural activity for sentence comprehension and word comprehension in bilateral superior temporal regions (STG). Moreover, the inter-regional and inter-hemispheric connectivity of IFG and STG/MTG could successfully predict children's future language comprehension one year later. The findings provide new insights into how the brain supports syntactic development and its interplay with word processing and working memory.
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spelling doaj-art-f7cf293386ce4e8294359c018d61e9522025-01-11T06:38:35ZengElsevierNeuroImage1095-95722025-01-01305120987Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal studyDongsu Yan0Tongfu Fang1Wei He2Min Xu3School of Psychology, Shenzhen University, Shenzhen, ChinaSchool of Psychology, Shenzhen University, Shenzhen, ChinaSchool of Studies in Fundamental Education, Guangzhou Sport University, Guangzhou, ChinaSchool of Psychology, Shenzhen University, Shenzhen, China; Corresponding author.Understanding how children acquire syntactic structures from a limited set of grammatical rules and use them creatively to convey meaning has been a longstanding interest for scientific communities. Previous studies on syntactic development have revealed its close correlation with the development of vocabulary and working memory. Our study sought to elucidate how the relations between syntactic processing, word processing, and working memory were instantiated in the brain, and how earlier neural patterns might predict language abilities one year later. We employed functional near-infrared spectroscopy to examine among preschool children (N=50, Mage=61.5 months) the neural activation associated with processing sentences of varying syntactic complexities, as well as tasks assessing word comprehension and working memory. The results revealed greater brain activation in the left inferior frontal gyrus (IFG) for syntactically complex as compared to simple sentences, and the activation magnitude was correlated with working memory. There was also a link between neural activity for sentence comprehension and word comprehension in bilateral superior temporal regions (STG). Moreover, the inter-regional and inter-hemispheric connectivity of IFG and STG/MTG could successfully predict children's future language comprehension one year later. The findings provide new insights into how the brain supports syntactic development and its interplay with word processing and working memory.http://www.sciencedirect.com/science/article/pii/S1053811924004841Syntactic developmentVocabularyWorking memoryPredictionfNIRS
spellingShingle Dongsu Yan
Tongfu Fang
Wei He
Min Xu
Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
NeuroImage
Syntactic development
Vocabulary
Working memory
Prediction
fNIRS
title Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
title_full Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
title_fullStr Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
title_full_unstemmed Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
title_short Syntactic development and its interplay with word processing and working memory in preschoolers’ brain: An fNIRS longitudinal study
title_sort syntactic development and its interplay with word processing and working memory in preschoolers brain an fnirs longitudinal study
topic Syntactic development
Vocabulary
Working memory
Prediction
fNIRS
url http://www.sciencedirect.com/science/article/pii/S1053811924004841
work_keys_str_mv AT dongsuyan syntacticdevelopmentanditsinterplaywithwordprocessingandworkingmemoryinpreschoolersbrainanfnirslongitudinalstudy
AT tongfufang syntacticdevelopmentanditsinterplaywithwordprocessingandworkingmemoryinpreschoolersbrainanfnirslongitudinalstudy
AT weihe syntacticdevelopmentanditsinterplaywithwordprocessingandworkingmemoryinpreschoolersbrainanfnirslongitudinalstudy
AT minxu syntacticdevelopmentanditsinterplaywithwordprocessingandworkingmemoryinpreschoolersbrainanfnirslongitudinalstudy