Corpus callosum morphology in children with Tourette syndrome and attention deficit hyperactivity disorder

T. L. Baumgardner, Harvey Singer, Martha Bridge Denckla, M. A. Rubin, M. T. Abrams, M. J. Colli, A. L. Reiss

Research output: Contribution to journalArticle

Abstract

The aim of this study was to investigate the morphology of the corpus callosum (CC) in Tourette syndrome (TS) and attention deficit hyperactivity disorder (ADHD) to determine whether these conditions affect distinct regional differences. Seventy-seven children and adolescents, aged 6 to 16 years, comprised the four research groups-16 patients with TS, 21 patients with TS plus ADHD, 13 patients with ADHD, and 27 unaffected control subjects. A semiautomated, computer-assisted procedure was used to measure the total area, five subregions, centerline length, perimeter, and bending angle of the CC. MRI data were analyzed using several statistical methods, primarily two- tailed analysis of variance to test the effects of TS and ADHD status, while controlling for the influence of age, gender, and total intracranial area (an estimate of brain size). TS was associated with significant increases in the area of four of five subdivisions, the total area, and the perimeter of the CC. ADHD was associated with a significant decrease in the area of the restral body. There were no interactions between TS and ADHD factors. These findings suggest that the area of the CC is larger in children with TS, and that this difference is independent of age, handedness, intracranial area, and the diagnosis of ADHD. Our findings support hypotheses that the neurobiologic mechanisms in TS and ADHD involve-frontal/subcortical circuits.

Original languageEnglish (US)
Pages (from-to)477-482
Number of pages6
JournalNeurology
Volume47
Issue number2
StatePublished - Aug 1996

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Tourette Syndrome
Corpus Callosum
Attention Deficit Disorder with Hyperactivity
Functional Laterality
Analysis of Variance
Brain

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Baumgardner, T. L., Singer, H., Denckla, M. B., Rubin, M. A., Abrams, M. T., Colli, M. J., & Reiss, A. L. (1996). Corpus callosum morphology in children with Tourette syndrome and attention deficit hyperactivity disorder. Neurology, 47(2), 477-482.

Corpus callosum morphology in children with Tourette syndrome and attention deficit hyperactivity disorder. / Baumgardner, T. L.; Singer, Harvey; Denckla, Martha Bridge; Rubin, M. A.; Abrams, M. T.; Colli, M. J.; Reiss, A. L.

In: Neurology, Vol. 47, No. 2, 08.1996, p. 477-482.

Research output: Contribution to journalArticle

Baumgardner, TL, Singer, H, Denckla, MB, Rubin, MA, Abrams, MT, Colli, MJ & Reiss, AL 1996, 'Corpus callosum morphology in children with Tourette syndrome and attention deficit hyperactivity disorder', Neurology, vol. 47, no. 2, pp. 477-482.
Baumgardner, T. L. ; Singer, Harvey ; Denckla, Martha Bridge ; Rubin, M. A. ; Abrams, M. T. ; Colli, M. J. ; Reiss, A. L. / Corpus callosum morphology in children with Tourette syndrome and attention deficit hyperactivity disorder. In: Neurology. 1996 ; Vol. 47, No. 2. pp. 477-482.
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