Cited by 286Functional Brain Connectivity StudiesAutism Spectrum Disorder ResearchAdvanced MRI Techniques and Applications

Alterations in regional homogeneity of resting-state brain activity in autism spectrum disorders

Paakki, Jyri-Johan, Rahko, Jukka, Long, Xiangyu, Moilanen, Irma, Tervonen, Osmo, Nikkinen, Juha, Starck, Tuomo, Remes, Jukka +7 more·2010·Brain Research

Abstract

Measures assessing resting-state brain activity with blood oxygen level dependent (BOLD) functional magnetic resonance imaging (fMRI) can reveal cognitive disorders at an early stage. Analysis of regional homogeneity (ReHo) measures the local synchronization of spontaneous fMRI signals and has been successfully utilized in detecting alterations in subjects with attention-deficit hyperactivity disorder (ADHD), depression, schizophrenia, Parkinson's disease and Alzheimer's dementia. Resting-state brain activity was investigated in 28 adolescents with autism spectrum disorders (ASD) and 27 typically developing controls being imaged with BOLD fMRI and analyzed with the ReHo method. The hypothesis was that ReHo of resting-state brain activity would be different between ASD subjects and controls in brain areas previously shown to display functional alterations in stimulus or task based fMRI studies. Compared with the controls, the subjects with ASD had significantly decreased ReHo in right superior temporal sulcus region, right inferior and middle frontal gyri, bilateral cerebellar crus I, right insula and right postcentral gyrus. Significantly increased ReHo was discovered in right thalamus, left inferior frontal and anterior subcallosal gyrus and bilateral cerebellar lobule VIII. We conclude that subjects with ASD have right dominant ReHo alterations of resting-state brain activity, i.e., areas known to exhibit abnormal stimulus or task related functionality. Our results demonstrate that there is potential in utilizing the ReHo method in fMRI analyses of ASD.

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Crossref · 10.1016/j.brainres.2009.12.081

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Authors
Paakki, J.-J., Rahko, J., Long, X., Moilanen, I., Tervonen, O., Nikkinen, J., Starck, T., Remes, J., Hurtig, T., Haapsamo, H., Jussila, K., Kuusikko-Gauffin, S., Mattila, M.-L., Zang, Y., & Kiviniemi, V.
Affiliations
  • Oulu University Hospital (FI)
  • Beijing Normal University (CN)
Corresponding author
Paakki, Jyri-Johan
Venue
Brain Research
Publisher
Elsevier BV
Published
2010-03
Volume
1321
Pages
169-179
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2071904348
Cited by
286
References
69
Citations by year
2026: 6 · 2025: 7 · 2024: 11 · 2023: 12 · 2022: 17 · 2021: 22 · 2020: 16 · 2019: 18 · 2018: 20 · 2017: 15 · 2016: 16 · 2015: 27 · 2014: 19 · 2013: 31 · 2012: 18
FWCI
15.52
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
Keywords
autism spectrum disorder, regional homogeneity, resting-state brain activity, adolescents, superior temporal sulcus, frontal cortex, cerebellum, thalamus, insula, hemispheric lateralization
MeSH terms
Adolescent, Brain, Brain Mapping, Child, Child Development Disorders, Pervasive, Female, Humans, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Male, Rest

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