Cited by 186Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersAction Observation and Synchronization

Atypical patterns of cerebral motor activation in autism: a functional magnetic resonance study

Müller, Ralph-Axel, Pierce, Karen, Ambrose, Josiah B, Allen, Greg, Courchesne, Eric·2001·Biological Psychiatry

Abstract

Background Early neurodevelopmental pathogenesis in autism potentially affects emerging functional maps, but little imaging evidence is available.Methods We studied eight male autistic and eight matched normal subjects, using functional magnetic resonance imaging during visually paced finger movement, compared to a control condition (visual stimulation in the absence of motor response).Results Groupwise analyses showed activation in contralateral perirolandic cortex, basal ganglia, and thalamus, bilateral supplementary motor area, and ipsilateral cerebellum for both groups. However, activations were less pronounced in the autism group. Direct group comparisons demonstrated greater activation in perirolandic and supplementary motor areas in the control group and greater activation (or reduced deactivation) in posterior and prefrontal cortices in the autism group. Intraindividual analyses further showed that strongest activations were consistently located along the contralateral central sulcus in control subjects but occurred in locations differing from individual to individual in the autism group.Conclusions Our findings, though based on a rather small sample, suggest abnormal individual variability of functional maps and less distinct regional activation/deactivation patterns in autism. The observations may relate to known motor impairments in autism and are compatible with the general hypothesis of disturbances of functional differentiation in the autistic cerebrum.

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Crossref · 10.1016/s0006-3223(00)01004-0

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  • Muller et al. and Mostofsky et al. found concomitant increases in activation within association cortices and posterior cerebellum, suggesting compensatory involvement of neocerebellar and neocortical pathways.

    “Muller et al. [201] and Mostofsky et al. [199] found concomitant increases in activation within association cortices and posterior cerebellum suggesting compensatory involvement of neocerebellar and neocortical pathways.”

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Authors
Müller, R.-A., Pierce, K., Ambrose, J. B., Allen, G., & Courchesne, E.
Affiliations
  • University of California San Diego (US)
  • San Diego State University (US)
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2001-04
Volume
49
Issue
8
Pages
665-676
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2075402838
Cited by
186
References
62
Citations by year
2026: 2 · 2025: 5 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 6 · 2020: 8 · 2019: 7 · 2018: 7 · 2017: 4 · 2016: 4 · 2015: 14 · 2014: 13 · 2013: 12 · 2012: 10
FWCI
4.99
Type
journal article
Language
en
Open access
closed
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (R01MH036840)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
Keywords
autism spectrum disorder, motor cortex activation, finger movement, supplementary motor area, basal ganglia, thalamus, cerebellum, interindividual variability, functional maps, central sulcus, motor impairment
MeSH terms
Adolescent, Adult, Autistic Disorder, Brain Mapping, Humans, Magnetic Resonance Imaging, Male, Motor Cortex

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