| The Optic Radiation and the Cerebellar Peduncles in Adolescents with First-Admission Schizophrenia -A Diffusion Tensor Imaging Study. | |
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MedLine Citation:
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PMID: 22268521 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: Previous studies have found gray matter alterations in the cerebellum and in the visual system in both adults and adolescents with schizophrenia. The present study was conducted to investigate whether white matter tracts associated with these regions are also affected in the early stages of the disorder. METHODS: Using a 1.5 Tesla magnetic resonance imaging (MRI) scanner and fiber tracking, the optic radiations and the middle cerebellar peduncles were examined in 13 adolescents with first-admission schizophrenia and 13 healthy controls matched for age, gender, school type, and handedness. RESULTS: Patients with schizophrenia displayed significantly decreased fractional anisotropy in the optic radiations, but no differences in the middle cerebellar peduncles compared to healthy controls. CONCLUSIONS: Our findings of altered fiber integrity in the optic radiations in adolescents with schizophrenia are in line with gray matter alterations in the visual cortices previously reported in the same sample and are in accordance with other studies that found decreased fractional anisotropy in these regions. These findings support the view that the visual system plays an important role in the pathogenesis of schizophrenia and may enhance our understanding of associations between the visual cortex and symptoms of the disorder. J Neuroimaging 2012;XX:1-6. |
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Authors:
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Romy Henze; Romuald Brunner; Ulf Thiemann; Peter Parzer; Jan Klein; Franz Resch; Bram Stieltjes |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-23 |
Journal Detail:
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Title: Journal of neuroimaging : official journal of the American Society of Neuroimaging Volume: - ISSN: 1552-6569 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9102705 Medline TA: J Neuroimaging Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 by the American Society of Neuroimaging. |
Affiliation:
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From the Section Disorders of Personality Development, Department of Child and Adolescent Psychiatry, Center for Psychosocial Medicine, University of Heidelberg, Germany (RH, RB, UT, PP, FR); the Section Quantitative Imaging-based Disease Characterization, Department of Radiology, German Cancer Research Center, Heidelberg, Germany (RH, BS); and the Fraunhofer MEVIS, Bremen, Germany (JK). |
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