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Schizophrenia

Schizophrenia (formerly called dementia praecox), type of psychosis characterized by confusion of identity, hallucinations, delusion, and illogical thought. The 3 main types of schizophrenia are catatonia, in which the individual oscillates between excitement and stupor; paranoid schizophrenia, which is similar to paranoia except that the intellect deteriorates; and hebephrenia, which is characterized by withdrawal from reality, bizarre behavior, delusions, hallucinations, and self-neglect.

See also: Psychosis.

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21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Sato, Eisaku to Serra, Junípero