Cited by 554Autism Spectrum Disorder ResearchAction Observation and SynchronizationGenetics and Neurodevelopmental Disorders

Anatomical Differences in the Mirror Neuron System and Social Cognition Network in Autism

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Hadjikhani, Nouchine, Joseph, Robert M., Snyder, Josh, Tager-Flusberg, Helen·2006·Cerebral Cortex

Abstract

Autism spectrum disorder (ASD) is a neurodevelopmental disorder associated with impaired social and emotional skills, the anatomical substrate of which is still unknown. In this study, we compared a group of 14 high-functioning ASD adults with a group of controls matched for sex, age, intelligence quotient, and handedness. We used an automated technique of analysis that accurately measures the thickness of the cerebral cortex and generates cross-subject statistics in a coordinate system based on cortical anatomy. We found local decreases of gray matter in the ASD group in areas belonging to the mirror neuron system (MNS), argued to be the basis of empathic behavior. Cortical thinning of the MNS was correlated with ASD symptom severity. Cortical thinning was also observed in areas involved in emotion recognition and social cognition. These findings suggest that the social and emotional deficits characteristic of autism may reflect abnormal thinning of the MNS and the broader network of cortical areas subserving social cognition.

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Authors
Hadjikhani, N., Joseph, R. M., Snyder, J., & Tager-Flusberg, H.
Affiliations
  • Harvard University (US)
  • Boston University (US)
Corresponding author
Hadjikhani, Nouchine
Venue
Cerebral Cortex
Published
2005-11-23
Volume
16
Issue
9
Pages
1276-1282
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2112023300
Cited by
554
References
123
Citations by year
2026: 3 · 2025: 3 · 2024: 10 · 2023: 16 · 2022: 17 · 2021: 23 · 2020: 14 · 2019: 21 · 2018: 29 · 2017: 25 · 2016: 29 · 2015: 46 · 2014: 42 · 2013: 39 · 2012: 53
FWCI
11.37
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Cerebral Cortex (publishedVersion, other-oa)
  • PubMed (publishedVersion)
Funders
  • National Institute on Deafness and Other Communication Disorders (P01/U19 DC 03610, U19DC003610)
  • National Institute of Neurological Disorders and Stroke (R01 NS 44824-01, R01NS044824)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
autism spectrum disorder, mirror neuron system, social cognition, cortical thinning, gray matter, emotion recognition, empathic behavior, symptom severity, high-functioning adults
MeSH terms
Adult, Autistic Disorder, Cerebral Cortex, Cognition, Empathy, Humans, Interpersonal Relations, Male, Nerve Net, Neural Pathways, Neurons, Social Perception

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