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Magnetic resonance imaging studies on autism and childhood-onset schizophrenia in children and adolescents – a review
Published online by Cambridge University Press: 24 June 2014
Abstract
To find out whether the neurodevelopmental disorders autism and childhood-onset schizophrenia have a common developmental pathway and whether the abnormalities detected are ‘disorder-specific’, by reviewing magnetic resonance imaging (MRI) studies.
As a result of a Medline search, we were able to access 28 studies on autism and 12 studies on childhood-onset schizophrenia, which focused on children and adolescents.
Larger lateral ventricles were found to be a common abnormality in both disorders. ‘Disorder-specific’ abnormalities in patients with autism were larger brains, a larger thalamic area, and a smaller right cingulate gyrus. Subjects with childhood-onset schizophrenia were found to have smaller brains, a smaller amygdalum and thalamus, and a larger nucleus caudatus. In subjects with childhood-onset schizophrenia, abnormalities appeared to progress over a limited period of time.
Because the study designs varied so much, the results should be interpreted cautiously. Before abnormalities found in the disorders can be designated as equal or ‘disorder-specific’, it will be essential to perform large longitudinal and cross-sectional follow-up studies.
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- Copyright © 2003 Blackwell Munksgaard