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Resting-state EEG reveals global network deficiency in dyslexic children

Xue, H., Wang, Z., Tan, Y., Yang, H., Fu, W., Xue, L. & Zhao, J., 17-Feb-2020, In : Neuropsychologia. 138, 8 p., 107343.

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  • Resting-state EEG reveals global network deficiency in dyslexic children

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DOI

  • Huidong Xue
  • Zhiguo Wang
  • Yufei Tan
  • Hang Yang
  • Wanlu Fu
  • Licheng Xue
  • Jing Zhao

Developmental dyslexia is known to involve dysfunctions in multiple brain regions; however, a clear understanding of the brain networks behind this disorder is still lacking. The present study examined the functional network connectivity in Chinese dyslexic children with resting-state electroencephalography (EEG) recordings. EEG data were recorded from 27 dyslexic children and 40 age-matched controls, and a minimum spanning tree (MST) analysis was performed to examine the network connectivity in the delta, theta, alpha, and beta frequency bands. The results show that, compared to age-matched controls, Chinese dyslexic children had global network deficiencies in the beta band, and the network topology was more path-like. Moderate correlations are observed between MST degree metric and rapid automatized naming and morphological awareness tests. These observations, together with the findings in alphabetic languages, show that brain network deficiency is a common neural underpinning of dyslexia across writing systems.

Original languageEnglish
Article number107343
Number of pages8
JournalNeuropsychologia
Volume138
Publication statusPublished - 17-Feb-2020

    Keywords

  • Developmental dyslexia, Resting-state electroencephalography (EEG), Functional network connectivity, Graph theory, Minimum spanning tree (MST), GRAPH-THEORETICAL ANALYSIS, COMPLEX BRAIN NETWORKS, MINIMUM SPANNING TREE, DEVELOPMENTAL DYSLEXIA, CHINESE CHILDREN, FUNCTIONAL CONNECTIVITY, MORPHOLOGICAL AWARENESS, READING DEVELOPMENT, BETA-OSCILLATIONS, ORGANIZATION

ID: 128078300