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A mental disorder believed to be closely related to schizophrenia, first described and named by the Hungarian-born US psychiatrist and psychoanalyst Sandor Rado (1890–1972) in an article in the American Journal of Psychiatry in 1953, characterized by the following signs and symptoms: anhedonia, a distorted body schema, a deficit of motivation, and inability to organize goal-oriented activities. In an influential article by the US psychologist Paul Everett Meehl (1920–2003) in the journal American Psychologist in 1962, the definition was extended to include cognitive slippage, social phobia, and ambivalence. The corresponding disorder in DSM-IV is called schizotypal personality disorder. [From Greek schizein to split + phren mind, originally midriff, the supposed seat of the soul + typos a mark]

Subjects: Psychology.

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