Article
Genetic predisposition and environmental causes in periodic and systematic catatonia.
European archives of psychiatry and clinical neuroscience - 1 Jan 2001
Stöber G
Abstract excerpt
The nosological heterogeneity of catatonic schizophrenia was the focus of a family study involving 139 catatonic patients. The clinical dichotomization of catatonia into periodic catatonia and systematic catatonia revealed good inter-rater reliability and stability of the diagnoses at follow-up. Analysis of the cumulative morbidity risk among first-degree relatives gave an excessive familial aggregation of...
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