• Human brain mapping · Feb 2010

    Source-based morphometry of gray matter volume in men with first-episode schizophrenia.

    • Tomás Kaspárek, Radek Marecek, Daniel Schwarz, Radovan Prikryl, Jirí Vanícek, Michal Mikl, and Eva Cesková.
    • Department of Psychiatry, Masaryk University, Jihlavska 20, 625 00, Brno, the Czech Republic. tomas.kasparek@centrum.cz
    • Hum Brain Mapp. 2010 Feb 1; 31 (2): 300-10.

    ObjectivesThere is a lot of variability between the results of studies reporting the pattern of gray matter volume changes in schizophrenia. Methodological issues may play an important role in this heterogeneity. The aim of the present study was to replicate the better performance of multivariate "source-based morphometry" (SBM) over the mass-univariate approach.Experimental DesignVoxel-based morphometry of Jacobian-modulated gray matter volume images, using voxel and cluster level inference, and SBM were performed in a group of first-episode schizophrenia patients (N = 49) and healthy controls (N = 127).ResultsUsing SBM we were able to find a significant reduction of gray matter volume in fronto-temporo-cerebellar areas whereas no significant results were obtained using voxel-based morphometry.ConclusionMultivariate analysis of gray matter volume seems to be a suitable method for characterization of the pattern of changes at the beginning of the illness in schizophrenia subjects.(c) 2009 Wiley-Liss, Inc.

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