Evidence map›Paper›PMID 29528295›Full record

ArticleBiological psychiatry. Cognitive neuroscience and neuroimaging2017

Aberrant Oscillatory Synchrony Is Biased Toward Specific Frequencies and Processing Domains in the Autistic Brain.

Avniel Singh Ghuman, Rebecca N van den Honert, Theodore J Huppert, Gregory L Wallace, Alex Martin

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Article in Biological psychiatry. Cognitive neuroscience and neuroimaging, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

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0cells of the map it votes in
6citing papers in PubMed
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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Avniel Singh GhumanLaboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland; Department of Neurological Surgery; , University of Pittsburgh, Pittsburgh, Pennsylvania; Center for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, Pennsylvania. Electronic address: ghumana@upmc.edu.
Rebecca N van den HonertLaboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland.
Theodore J HuppertCenter for the Neural Basis of Cognition, University of Pittsburgh, Pittsburgh, Pennsylvania; Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania.
Gregory L WallaceLaboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland; Department of Speech and Hearing Sciences, George Washington University, Washington, DC.
Alex MartinLaboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, Maryland.

Funding

The Cognitive Neuroscience of Autism Spectrum DisordersZIAMH002920 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI MARTIN, ALEX · 2009 to 2025
$14.6M
Intramural NIH HHS ZIA MH002920
6 · The paper itself

Abstract

backgroundPrevailing theories suggest that autism spectrum disorder (ASD) results from impaired brain communication, causing aberrant synchrony among neuronal populations. However, it remains debated whether synchrony abnormalities are among local or long-range circuits, are circuit specific or are generalized, reflect hypersynchrony or reflect hyposynchrony, and are frequency band-specific or are distributed across the frequency spectrum.

methodsTo help clarify these unresolved questions, we recorded spontaneous magnetoencephalography data and used a data-driven, whole-brain analysis of frequency-specific interregional synchrony in higher-functioning adolescents and adults, with 17 ASD and 18 control subjects matched on age, IQ, and sex, and equal for motion.

resultsIndividuals with ASD showed local hypersynchrony in the theta band (4-7 Hz) in the lateral occipitotemporal cortex. Long-range hyposynchrony was seen in the alpha band (10-13 Hz), which was most prominent in neural circuitry underpinning social processing. The magnitude of this alpha band hyposynchrony was correlated with social symptom severity.

conclusionsThese results suggest that although ASD is associated with both decreased long-range synchrony and increased posterior local synchrony, with each effect limited to a specific frequency band, impairments in social functioning may be most related to decreased alpha band synchronization between critical nodes of the social processing network.

Indexed as

AdolescentAdultAutistic DisorderBrainBrain MappingHumansMagnetoencephalographyMaleMiddle AgedNerve NetNeural PathwaysYoung AdultAlpha band oscillationsAutismFunctional connectivityIntrinsic synchronyMagnetoencephalographySocial processing network

Identifiers

PMID29528295
PMCPMC5903849

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.