Disorganized speech is related to functional abnormalities in schizophrenia. To test the association between formal thought disorders (FTDs) and white matter microstructure, we applied a behavioral rating and diffusion tensor imaging in 61 patients with schizophrenia spectrum disorders. The Bern Psychopathology Scale was used to rate the dimension of language abnormalities ranging from negative FTDs, basically unaltered speech, to positive FTDs. Tract-based spatial statistics indicated increased fractional anisotropy in left hemispheric pathways of the language system in patients with negative FTDs. Thus, altered white matter properties in relevant fiber tracts may represent vulnerability to specific formal thought disorders.
机构:
Monash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Alfred Hosp, Melbourne, Vic, AustraliaMonash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Green, Amity E.
Croft, Rodney J.
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Univ Wollongong, Illawarra Hth & Med Res Inst, Wollongong, NSW 2522, Australia
Univ Wollongong, Sch Psychol, Wollongong, NSW 2522, AustraliaMonash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Croft, Rodney J.
Maller, Jerome J.
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Monash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Alfred Hosp, Melbourne, Vic, AustraliaMonash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Maller, Jerome J.
Fitzgerald, Paul B.
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Monash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia
Alfred Hosp, Melbourne, Vic, AustraliaMonash Univ, Cent Clin Sch, Monash Alfred Psychiat Res Ctr, Clayton, Vic 3800, Australia