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  Development of a selective left-hemispheric fronto-temporal network for processing syntactic complexity in language comprehension

Xiao, Y., Friederici, A. D., Margulies, D. S., & Brauer, J. (2016). Development of a selective left-hemispheric fronto-temporal network for processing syntactic complexity in language comprehension. Neuropsychologia, 83, 274-282. doi:10.1016/j.neuropsychologia.2015.09.003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-653E-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-1D0E-F
Genre: Journal Article

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 Creators:
Xiao, Yaqiong1, Author              
Friederici, Angela D.1, Author              
Margulies, Daniel S.2, Author              
Brauer, Jens1, Author              
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Max Planck Research Group Neuroanatomy and Connectivity, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_1356546              

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Free keywords: Language development; Resting-state fMRI; Amplitude of low-frequency fluctuation; Functional connectivity; Syntactic complexity
 Abstract: The development of language comprehension abilities in childhood is closely related to the maturation of the brain, especially the ability to process syntactically complex sentences. Recent studies proposed that the fronto-temporal connection within left perisylvian regions, supporting the processing of syntactically complex sentences, is still immature at preschool age. In the current study, resting state functional magnetic resonance imaging data were acquired from typically developing 5-year-old children and adults to shed further light on the brain functional development. Children additionally performed a behavioral syntactic comprehension test outside the scanner. The amplitude of low-frequency fluctuations was analyzed in order to identify the functional correlation networks of language-relevant brain regions. Results showed an intrahemispheric correlation between left inferior frontal gyrus (IFG) and left posterior superior temporal sulcus (pSTS) in adults, whereas an interhemispheric correlation between left IFG and its right-hemispheric homolog was predominant in children. Correlation analysis between resting-state functional connectivity and sentence processing performance in 5-year-olds revealed that local connectivity within the left IFG is associated with competence of processing syntactically simple canonical sentences, while long-range connectivity between IFG and pSTS in left hemisphere is associated with competence of processing syntactically relatively more complex non-canonical sentences. The present developmental data suggest that a selective left fronto-temporal connectivity network for processing complex syntax is already in functional connection at the age of 5 years when measured in a non-task situation. The correlational findings provide new insight into the relationship between intrinsic functional connectivity and syntactic language abilities in preschool children.

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Language(s): eng - English
 Dates: 2015-08-212015-01-302015-09-022015-09-062016-03
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.neuropsychologia.2015.09.003
PMID: 26352468
PMC: PMC4780430
Other: Epub 2015
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Title: Neuropsychologia
Source Genre: Journal
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Pages: - Volume / Issue: 83 Sequence Number: - Start / End Page: 274 - 282 Identifier: ISSN: 0028-3932
CoNE: https://pure.mpg.de/cone/journals/resource/954925428258