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PSY240H1 (233)
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Lecture 8

Lecture 8

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University of Toronto St. George

Psychotic Disorders Psychotic DisordersSymptomsalterations in perceptions thoughts or consciousness DSMIV categories y Schizophrenia y Schizophreniform disorder y Schizoaffective disorder y Delusional disordery Brief psychotic disorder y Shared psychotic disorder y Psychotic disorder due to general medical condition y Substanceinduced psychotic disorderHistory of Schizophrenia Kraeplindementia praecox y 1898 means early onset intellectual decline believed it was a chronic disorderBleulerschizophrenia y 1908 means fragmented mindsplit headthinking problems were the primary disturbance that caused this disorder cant keep clear focus of thoughtsunlike Kraeplin believed that people with this werent necessarily chronic could wax and lane over timeGroup of schizophrenias y Many different subtypes different prognosescant just characterize it as the same for different people with schizophreniaSchizophrenia Diagnosis Two or more of the following symptoms each present for a significant portion of time during a 1 month perioddelusions hallucinations disorganized speech grossly disorganized or catatonic behaviour negative symptoms Note only 1 symptom is required in certain circumstances bizarre delusions multiple voices conversing running commentaryMust cause significant dysfunction Must last more than 6 months acute symptoms and residual symptoms Occurs fairly equally between men and women but mens onset 1824 is earlier than women 2534Estrogen could be a preventive factor in the development of schizophrenia Has quite a high suicide rateabout 10 afflicted will commit suicideabout 8 of all hospital beds are used up by schizo patientsPositive SymptomsExcess or distortion of normal functions and are usually present in the early stages of schizo
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