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Schizophrenia - Schizophrenia Psychotic Disorders I...

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Schizophrenia & Psychotic Disorders 1/7 I. Schizophrenia A. Definition - The DSM-IV defines “psychotic refers to delusions, any prominent hallucinations, disorganized speech, or disorganized or catatonic behavior.” - The DSM-IV defines schizophrenia as “ a disturbance that lasts for at least 6 months & includes at least 1 month of active-phase symptoms (i.e., 2 (or more) of the following: delusions, hallucinations, disorganized speech, grossly disorganized or catatonic behaviors, negative symptoms).” B. Course & Associated Findings - Aprox. %1 of the population will develop schizophrenia during their lifetime. It occurs equally across culture BUT it is dramatically overrepresented in the lower SES. - Typically onset is late teens to mid 30’s. Rarely is onset prior to adolescence. And it can be later. Median age – mid-20’s for men & late 20’s for females. - When later – more likely to be women - The earlier onset is the worse the outcome tends to be. - Onset usually displays a prodomal phase (the period before significant symptoms of a psychiatric disorder appear) that involves a slow & gradual development of signs & symptoms. Eventually active-phase symptoms appear. II. Symptoms - An official diagnosis would be made if an individual “exhibits a deterioration of daily activities, including work, social relations, & self-care. He or she must also exhibit at least 2 of the following: hallucinations, delusions, incoherent speech, grossly disorganized behavior, certain thought disorders, or a loss of normal emotional responses & social behaviors.”
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Schizophrenia & Psychotic Disorders 2/7 A. Hallucinations – sensory experiences that don’t correspond to anything in the outside world. – Auditory are most common / visual are rare. - generally these hallucinations are voices. Typically derogatory or threatening. - certain types are considered to be particularly characteristic of schizophrenia – 2 or more voices conversing & voices that maintain a running commentary on the person’s thoughts or behaviors. B. Delusions – unfounded beliefs – many types a. delusion of persecution – belief that one is being persecuted b. delusion of grandeur – belief that one is unusually important c. delusion of reference – a tendency to interpret all sorts of messages as if they were meant for one’s self - “bizarreness” of delusions tends to be typical of schizophrenics. Bizarre being clearly implausible & no way being from their ordinary life.
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