Schizophrenia
Abnormalities in perception of reality, form, and content of thoughts and speech, emotional deficits, leading to disturbed sense of self, social dysfunction, apathy, peculiar behavior. Symptom onset usually in late adolescence, early adulthood. Prevalence about 1% of all people worldwide.
Psychosis: failure to distinguish between reality and thoughts (hallucinations, delusions). A feature of schizophrenia; also present in many medical diseases (Table 161.1), other psychiatric conditions (e.g., bipolar disorder, depression, dementia, substance use, acute and chronic post-traumatic stress disorders).
Table 161.1 Differential Diagnosis of Psychosis: Medical and Neurologic Disorders | ||||||||||||||||||||
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