Resting state EEG abnormalities in autism spectrum disorders
- PMID: 24040879
- PMCID: PMC3847481
- DOI: 10.1186/1866-1955-5-24
Resting state EEG abnormalities in autism spectrum disorders
Abstract
Autism spectrum disorders (ASD) are a group of complex and heterogeneous developmental disorders involving multiple neural system dysfunctions. In an effort to understand neurophysiological substrates, identify etiopathophysiologically distinct subgroups of patients, and track outcomes of novel treatments with translational biomarkers, EEG (electroencephalography) studies offer a promising research strategy in ASD. Resting-state EEG studies of ASD suggest a U-shaped profile of electrophysiological power alterations, with excessive power in low-frequency and high-frequency bands, abnormal functional connectivity, and enhanced power in the left hemisphere of the brain. In this review, we provide a summary of recent findings, discuss limitations in available research that may contribute to inconsistencies in the literature, and offer suggestions for future research in this area for advancing the understanding of ASD.
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References
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- American Psychiatric Association. Diagnostic and statistical manual of mental disorders-4th edition. 2000.
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- Centers for Disease Control and Prevention. Prevalence of autism spectrum disorders--Autism and Developmental Disabilities Monitoring Network, 14 sites. 2012. - PubMed
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