Cited by 968Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersFunctional Brain Connectivity Studies

The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.

Why the frontal cortex in autism might be talking only to itself: local over-connectivity but long-distance disconnection

Courchesne, Eric, Pierce, Karen·2005·Current Opinion in Neurobiology

Abstract

Although it has long been thought that frontal lobe abnormality must play an important part in generating the severe impairment in higher-order social, emotional and cognitive functions in autism, only recently have studies identified developmentally early frontal lobe defects. At the microscopic level, neuroinflammatory reactions involving glial activation, migration defects and excess cerebral neurogenesis and/or defective apoptosis might generate frontal neural pathology early in development. It is hypothesized that these abnormal processes cause malformation and thus malfunction of frontal minicolumn microcircuitry. It is suggested that connectivity within frontal lobe is excessive, disorganized and inadequately selective, whereas connectivity between frontal cortex and other systems is poorly synchronized, weakly responsive and information impoverished. Increased local but reduced long-distance cortical-cortical reciprocal activity and coupling would impair the fundamental frontal function of integrating information from widespread and diverse systems and providing complex context-rich feedback, guidance and control to lower-level systems.

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Crossref · 10.1016/j.conb.2005.03.001

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Research works printed but not linked: 2

  1. Buxhoeveden, 2004, Decreased cell column spacing in autism [abstract], Soc Neurosci, 582.6
  2. Courchesne E, Pierce K: Early brain overgrowth in autism: a potential signal of disrupted development of frontal pyramidal neurons and cortical connectivity. Int J Dev Neurosci in press.

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Metadata

Authors
Courchesne, E., & Pierce, K.
Affiliations
University of California San Diego (US)
Corresponding author
Courchesne, Eric
Venue
Current Opinion in Neurobiology
Publisher
Elsevier BV
Published
2005-04
Volume
15
Issue
2
Pages
225-230
ISSN
0959-4388 (ISSN-L)
OpenAlex
W2131541104
Cited by
968
References
51
Citations by year
2026: 30 · 2025: 32 · 2024: 23 · 2023: 52 · 2022: 31 · 2021: 37 · 2020: 40 · 2019: 44 · 2018: 52 · 2017: 50 · 2016: 73 · 2015: 81 · 2014: 71 · 2013: 68 · 2012: 59
FWCI
3.06
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (K01-MH01814, 2R01 MH 36840, R01MH036840, K01MH001814)
  • National Institute of Neurological Disorders and Stroke (2-R01-NS-19855, R01NS019855)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
Keywords
autism spectrum disorder, frontal cortex, cortical connectivity, neuroinflammation, glial activation, neuronal migration defects, apoptosis, information integration
MeSH terms
Autistic Disorder, Frontal Lobe, Humans, Nerve Net

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