Cited by 74Functional Brain Connectivity StudiesAutism Spectrum Disorder ResearchMental Health Research Topics

Resting-state time-varying analysis reveals aberrant variations of functional connectivity in autism

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Yao, Zhijun, Hu, Bin, Xie, Yuanwei, Zheng, Fang, Liu, Guangyao, Chen, Xuejiao, Zheng, Weihao·2016·Frontiers in Human Neuroscience

Abstract

Recently, studies based on time-varying functional connectivity have unveiled brain states diversity in some neuropsychiatric disorders, such as schizophrenia and major depressive disorder. However, time-varying functional connectivity analysis of resting-state functional Magnetic Resonance Imaging (fMRI) have been rarely performed on the Autism Spectrum Disorder (ASD). Hence, we performed time-varying connectivity analysis on resting-state fMRI data to investigate brain states mutation in ASD children. ASD showed an imbalance of connectivity state and aberrant ratio of connectivity with different strengths in the whole brain network, and decreased connectivity associated precuneus/posterior cingulate gyrus with medial prefrontal gyrus in default mode network. As compared to typical development children, weak relevance condition (the strength of a large number of connectivities in the state was less than means minus standard deviation of all connection strength) was maintained for a longer time between brain areas of ASD children, and ratios of weak connectivity in brain states varied dramatically in the ASD. In the ASD, the abnormal brain state might be related to repetitive behaviors and stereotypical interests, and macroscopically reflect disruption of gamma-aminobutyric acid at the cellular level. The detection of brain states based on time-varying functional connectivity analysis of resting-state fMRI might be conducive for diagnosis and early intervention of ASD before obvious clinical symptoms.

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  • In 7- to 18-year-old children from the Autism Brain Imaging Data Exchange, those with ASD showed weaker whole-brain connectivity for a longer period of time compared with typically developing children.

    “A study of 7–18 year old children from the Autism Brain Imaging Data Exchange (ABIDE) (114) found that those with ASD showed weaker whole-brain connectivity for a longer period of time compared with TD children (115).”

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Authors
Yao, Z., Hu, B., Xie, Y., Zheng, F., Liu, G., Chen, X., & Zheng, W.
Affiliations
  • Lanzhou University (CN)
  • Lanzhou University Second Hospital (CN)
Corresponding author
Hu, Bin
Venue
Frontiers in Human Neuroscience
Published
2016-09-16
Volume
10
Pages
463-463
ISSN
1662-5161 (ISSN-L)
OpenAlex
W2519681685
Cited by
74
References
53
Citations by year
2026: 2 · 2025: 6 · 2024: 8 · 2023: 10 · 2022: 9 · 2021: 14 · 2020: 8 · 2019: 7 · 2018: 6 · 2017: 4
FWCI
3.61
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Human Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Lanzhou University Institutional Repository (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Ministry of Science and Technology of the People's Republic of China (2014CB744600, 60973138, 61003240, 2013DFA11140)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Mental Health Research Topics
Keywords
autism spectrum disorder, time-varying functional connectivity, resting-state fMRI, brain states, default mode network, precuneus, posterior cingulate cortex, medial prefrontal cortex, weak connectivity, repetitive behavior, early diagnosis

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