Cited by 312Autism Spectrum Disorder ResearchAction Observation and SynchronizationFunctional Brain Connectivity Studies

Reduced functional connectivity between V1 and inferior frontal cortex associated with visuomotor performance in autism

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Villalobos, Michele E., Mizuno, Akiko, Dahl, Branelle C., Kemmotsu, Nobuko, Müller, Ralph-Axel·2005·NeuroImage

Abstract

Some recent evidence has suggested abnormalities of the dorsal stream and possibly the mirror neuron system in autism, which may be responsible for impairments of joint attention, imitation, and secondarily for language delays. The current study investigates functional connectivity along the dorsal stream in autism, examining interregional blood oxygenation level dependent (BOLD) signal cross-correlation during visuomotor coordination. Eight high-functioning autistic men and eight handedness and age-matched controls were included. Visually prompted button presses were performed with the preferred hand. For each subject, functional connectivity was computed in terms of BOLD signal correlation with the mean time series in bilateral visual area 17. Our hypothesis of reduced dorsal stream connectivity in autism was only in part confirmed. Functional connectivity with superior parietal areas was not significantly reduced. However, the autism group showed significantly reduced connectivity with bilateral inferior frontal area 44, which is compatible with the hypothesis of mirror neuron defects in autism. More generally, our findings suggest that dorsal stream connectivity in autism may not be fully functional.

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Crossref · 10.1016/j.neuroimage.2004.12.022

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  • Studies of FC in ASD have found evidence of reduced long-range FC in various cortical circuits.

    “Studies of FC in ASD have found evidence of reduced long-range FC in various cortical circuits (14-24).”
  • Villalobos et al. (2005) found intact functional connectivity in the ASD group between V1 and superior parietal areas, suggesting that dorsal stream connectivity was intact, but reduced functional connectivity between V1 and inferior frontal areas, which they suggest may be consistent with mirror-neuron system dysfunction.

    “They found intact functional connectivity in the ASD group between V1 and superior parietal areas, suggesting that dorsal stream connectivity was intact.There was, however, reduced functional connectivity between V1 and inferior frontal areas, which Villalobos et al. (2005) suggest may be consistent with mirror-neuron system dysfunction.”

    From Vision in autism spectrum disorders (2009) · cites this paper as Villalobos et al. (2005)

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Research works printed but not linked: 4

  1. Bachevalier J, Merjanian PM, editors. The Neurobiology of Autism. Baltimore: John Hopkins, University Press; 1994. The contribution of medial temporal lobe structures in infantile autism: a neurobehavioral study in primates. [Google Scholar]
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Authors
Villalobos, M. E., Mizuno, A., Dahl, B. C., Kemmotsu, N., & Müller, R.-A.
Affiliations
San Diego State University (US)
Corresponding author
Müller, Ralph-Axel
Venue
NeuroImage
Publisher
Elsevier BV
Published
2005-04
Volume
25
Issue
3
Pages
916-925
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2026452816
Cited by
312
References
99
Citations by year
2026: 3 · 2025: 3 · 2024: 10 · 2023: 6 · 2022: 5 · 2021: 8 · 2020: 11 · 2019: 11 · 2018: 11 · 2017: 8 · 2016: 7 · 2015: 12 · 2014: 29 · 2013: 20 · 2012: 26
FWCI
10.38
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R01-MH36840, T34MH065183, R01MH036840, 5T34MH65183-3)
  • National Institute on Deafness and Other Communication Disorders (R01DC006155)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
Keywords
autism spectrum disorder, functional connectivity, dorsal stream, inferior frontal cortex, mirror neuron system, visuomotor coordination, superior parietal cortex, joint attention, imitation
MeSH terms
Adolescent, Adult, Attention, Autistic Disorder, Brain Mapping, Dominance, Cerebral, Frontal Lobe, Humans, Image Enhancement, Image Processing, Computer-Assisted, Language Development Disorders, Magnetic Resonance Imaging, Male, Nerve Net, Neurons, Oxygen, Parietal Lobe, Psychomotor Performance, Reference Values, Statistics as Topic, Stereotyped Behavior, Temporal Lobe, Visual Cortex, Visual Perception, Imaging, Three-Dimensional

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