Evidence map›Paper›PMID 26184828›Full record

ArticleAutism research : official journal of the International Society for Autism Research2016

Increased Surface Area, but not Cortical Thickness, in a Subset of Young Boys With Autism Spectrum Disorder.

Haruhisa Ohta, Christine Wu Nordahl, Ana-Maria Iosif, Aaron Lee, Sally Rogers, David G Amaral

Abstract read
In one paragraph

Article in Autism research : official journal of the International Society for Autism Research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

60 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Cortical thickness abnormalities in autism spectrum disorder.European child & adolescent psychiatry · 2024
    Pooled it
  3. Pooled it
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  10. mAutism research : official journal of the International Society for Autism Research · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Haruhisa OhtaThe Medical Investigation of Neurodevelopmental Disorders (MIND) Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, California.
Christine Wu NordahlThe Medical Investigation of Neurodevelopmental Disorders (MIND) Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, California.
Ana-Maria IosifDepartment of Public Health Sciences, Division of Biostatistics, University of California, Davis, Davis, California.ORCID http://orcid.org/0000-0001-7283-2015
Aaron LeeThe Medical Investigation of Neurodevelopmental Disorders (MIND) Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, California.
Sally RogersThe Medical Investigation of Neurodevelopmental Disorders (MIND) Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, California.
David G AmaralThe Medical Investigation of Neurodevelopmental Disorders (MIND) Institute and Department of Psychiatry and Behavioral Sciences, University of California, Davis School of Medicine, Sacramento, California.

Funding

UC Davis Center for Children's Environmental Health (CCEH)P01ES011269 · NIEHS · UNIVERSITY OF CALIFORNIA DAVIS · PI VAN DE WATER, JUDY A. · 2001 to 2018
$12.5M
Rodent Behavior CoreU54HD079125 · NICHD · UNIVERSITY OF CALIFORNIA AT DAVIS · PI HAGERMAN, RANDI J. · 2013 to 2019
$8.5M
Center for Genomic and Phenomic Studies in AutismU24MH081810 · NIMH · UNIVERSITY OF SOUTHERN CALIFORNIA · PI LAJONCHERE, CLARA M · 2007 to 2011
$8.3M
Neurophenotypic Trajectories and Behavioral Outcomes in Autism Spectrum DisorderR01MH103371 · NIMH · UNIVERSITY OF CALIFORNIA AT DAVIS · PI AMARAL, DAVID G · 2015 to 2019
$3.4M
Interdisciplinary Investigation of Biological Signatures of Autism SubtypesR01MH089626 · NIMH · UNIVERSITY OF CALIFORNIA AT DAVIS · PI AMARAL, DAVID G, ROGERS, SALLY J · 2009 to 2010
$2.8M
Analyses of Brain Structure and Connectivity in Young Children with AutismR00MH085099 · NIMH · UNIVERSITY OF CALIFORNIA AT DAVIS · PI NORDAHL, CHRISTINE WU · 2011 to 2013
$710k
NICHD NIH HHS U54 HD079125NIEHS NIH HHS P01 ES011269NIMH NIH HHS R00 MH085099NIMH NIH HHS R01 MH089626NIMH NIH HHS R01 MH103371NIMH NIH HHS U24 MH081810
6 · The paper itself

Abstract

The Autism Phenome Project is the largest, single site, longitudinal magnetic resonance imaging (MRI) study of young children with autism spectrum disorder (ASD). Previous analyses from this cohort have shown that the children with autism have a total brain volume at time 1 (∼3 years of age) that is 6% larger than typically developing (TD) children. This finding is driven primarily by 15% of the boys with ASD that have disproportionate megalencephaly (ASD-DM) or brain size that is 1.5 standard deviations above what would be expected for the child's height. In the current study, cerebral cortical grey matter volume, thickness, and surface area were assayed from MRI scans of 112, 3-year-old boys with ASD and 50 age-matched TD boys. The boys with ASD-DM (n = 17) were analyzed separately from the boys with normal brain size (ASD-N, n = 95). Previous studies of cortical thickness and surface area for ASD children in this age range have come to diametrically different conclusions concerning the significance of cortical thickness vs. surface area. Current analyses indicate that cortical thickness was comparable across the ASD and TD groups. However, surface area was significantly greater in the ASD group compared to the TD group. This result was driven largely by the children with ASD-DM. Even in the ASD-DM group, not all cortical regions demonstrated increased surface area. These results provide strong evidence that the early cortical overgrowth associated with ASD is due primarily to increased surface area and not to increased cortical thickness.

Indexed as

Magnetic Resonance ImagingAutism Spectrum DisorderBrainBrain MappingChild, PreschoolCohort StudiesHumansLongitudinal StudiesMaleOrgan Sizeautism spectrum disordercortical thicknessFreeSurfergray matter volumemegalencephalysurface area

Identifiers

PMID26184828
PMCPMC4886547

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.