Cited by 66Attention Deficit Hyperactivity DisorderAdvanced Neuroimaging Techniques and ApplicationsAutism Spectrum Disorder Research

Adults with attention-deficit/hyperactivity disorder—a diffusion-tensor imaging study of the corpus callosum

Dramsdahl, Margaretha, Westerhausen, René, Haavik, Jan, Hugdahl, Kenneth, Plessen, Kerstin J.·2012·Psychiatry Research Neuroimaging

Abstract

The objective of the present study was to investigate the microstructure and the macrostructure of the corpus callosum (CC) in adults with Attention-Deficit/Hyperactivity Disorder (ADHD) by means of magnetic resonance imaging (MRI). Twenty-nine participants with ADHD and 37 controls were included from the Norwegian ADHD project in Bergen. We measured the fractional anisotropy (FA) values, as well as the size of different subdivisions of the CC, using diffusion tensor imaging (DTI) and anatomical MRI. The isthmus/splenium part of the CC in the ADHD group showed reduced FA values compared to the control group, whereas the size of the CC did not differ across groups. Our findings thus demonstrate a divergence between microstructural and macrostructural measures in the CC of adults with ADHD. This contrasts with findings in children demonstrating callosal abnormalities in both microstructure and macrostructure. Our results may indicate that adults with ADHD in part have succeeded in passing by an earlier developmental delay of the CC, resulting in a normalization of callosal macrostructure into adulthood. However, microstructural differences are still present in adults, which may point to an abnormal lateralization in adults with ADHD, or could be a sign of a persisting impairment.

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Crossref · 10.1016/j.pscychresns.2011.08.005

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Authors
Dramsdahl, M., Westerhausen, R., Haavik, J., Hugdahl, K., & Plessen, K. J.
Affiliations
  • Haukeland University Hospital (NO)
  • University of Bergen (NO)
  • University of Copenhagen (DK)
Corresponding author
Dramsdahl, Margaretha
Venue
Psychiatry Research Neuroimaging
Publisher
Elsevier BV
Published
2012-02
Volume
201
Issue
2
Pages
168-173
ISSN
0925-4927 (ISSN-L)
OpenAlex
W2142558626
Cited by
66
References
54
Citations by year
2026: 3 · 2025: 2 · 2023: 5 · 2022: 6 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 4 · 2017: 6 · 2016: 4 · 2015: 7 · 2014: 13 · 2013: 6 · 2012: 3
FWCI
6.60
Type
journal article
Language
en
Open access
closed
Locations
  • Psychiatry Research Neuroimaging (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
Norges Forskningsråd
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
attention deficit hyperactivity disorder, corpus callosum, fractional anisotropy, laterality, brain development, adult ADHD
MeSH terms
Adult, Age Factors, Attention Deficit Disorder with Hyperactivity, Brain Mapping, Developmental Disabilities, Corpus Callosum, Dominance, Cerebral, Female, Humans, Image Interpretation, Computer-Assisted, Male, Middle Aged, Norway, Reference Values, Anisotropy, Diffusion Magnetic Resonance Imaging, Young Adult

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