simple deteriorative disorder

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A condition (included in the ICD-10 classification and in the DSM-IV appendix of conditions meriting further study) characterized by progressive decline in occupational or academic functioning; gradual appearance and exacerbation of negative symptoms such as affective flattening, alogia, and avolition; poor interpersonal skills; and social isolation and withdrawal. Compare schizoaffective disorder, schizoid personality disorder, schizophreniform disorder, schizotypal personality disorder. [So called because of the absence of prominent catatonic, hebephrenic, or paranoid symptoms]

Subjects: Psychology.

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