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  • Cited by 9
  • Print publication year: 2005
  • Online publication date: August 2009

8 - Schizoaffective mixed states

Summary

The paradox of the extremely rare research on schizoaffective mixed states can be better understood when one considers the development of the definitions, concepts, and nosological allocations of schizoaffective disorders. In Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), schizoaffective disorders belonged to the category "other psychotic disorders" with almost the same diagnostic criteria and the same subtypes as in DSM-III-R. In the Tenth Revision of the International Classification of Diseases (ICD-10), schizoaffective disorders landed in a category of their own within schizophrenia and delusional disorders, with five subcategories: schizoaffective disorders, at the present manic, schizoaffective disorders, at the present depressive, mixed schizoaffective disorder, other schizoaffective disorders, and schizoaffective disorders not otherwise specified. The age at onset is lower, the duration of schizoaffective mixed episodes can be longer, and the patients having schizoaffective mixed episodes exhibited more inability to work at a younger age.

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