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Using exploratory factor analysis,we prospectively investigated neuropsychiatric symptoms and structural brain lesions of 47 patients with proven Wilson's disease and identified three subgroups.The first subgroup clinically exhibited bradykinesia,rigidity,cognitive impairment,and an organic mood syndrome and by MRI showed a dilatation of the third ventricle.The second subgroup was characterized by ataxia,tremor,reduced functional capacity,and focal thalamic lesions.The third subgroup showed dyskinesia,dysarthria,an organic personality syndrome,and focal lesions in the putamen and in the pallidum. |
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