A "disconnectivity model" of schizophrenia has been proposed, but it is still unclear if white mar abnormalities are associated with gray matter changes and if they may be the anatomic substrate of cognitive impairment, which is a core symptom of the disorder. The first objective was to detect if white matter microstructure alterations in schizophrenia are associated with or independent of gray matter change, using an optimized method for white matter (Tract-Based Spatial Statistics) and gray matter analyses (whole-brain voxel-wise approach). The second objective was to identify the neuropsychological correlates of white matter abnormalities in the schizophrenic group, using a comprehensive neuropsychological battery.
Spoletini, I., Cherubini, A., Di Paola, M., Banfi, G., Rusch, N., Martinotti, G., Bria, P., Rubino, I., Siracusano, A., Caltagirone, C., Spalletta, G., Reduced fronto-temporalconnectivity is associated with frontal gray matter density reduction andneuropsychological deficit in schizophrenia., <<SCHIZOPHRENIA RESEARCH>>, 2009; 108 (Marzo): 57-68. [doi:10.1016/j.schres.2008.11.011] [http://hdl.handle.net/10807/41642]
Reduced fronto-temporal connectivity is associated with frontal gray matter density reduction and neuropsychological deficit in schizophrenia.
Spoletini, Ilaria;Di Paola, Margherita;Martinotti, Giovanni;Bria, Pietro;Spalletta, Gianfranco
2009
Abstract
A "disconnectivity model" of schizophrenia has been proposed, but it is still unclear if white mar abnormalities are associated with gray matter changes and if they may be the anatomic substrate of cognitive impairment, which is a core symptom of the disorder. The first objective was to detect if white matter microstructure alterations in schizophrenia are associated with or independent of gray matter change, using an optimized method for white matter (Tract-Based Spatial Statistics) and gray matter analyses (whole-brain voxel-wise approach). The second objective was to identify the neuropsychological correlates of white matter abnormalities in the schizophrenic group, using a comprehensive neuropsychological battery.
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