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PSY 220 - Lecture 13

PSY 220 - Lecture 13 - Learning Objectives Schizophrenia...

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Schizophrenia and Other Psychotic Disorders Q UIN 1 Chapter 13 Learning Objectives Define schizophrenia and psychosis Distinguish between positive, negative, and disorganized symptoms Describe classification schemes 2 Describe the different etiologies of schizophrenia Describe the treatment of schizophrenia Perspectives on Schizophrenia Schizophrenia vs. Psychosis – Psychosis – Broad term (e.g., hallucinations, delusions) – Schizophrenia – A type of psychosis 3 Schizophrenia A type of psychosis – Psychosis and Schizophrenia are heterogeneous – Disturbed thought, emotion, behavior Example of Schizophrenia History and Current Thinking • History – Benedict Morel – Emil Kraepelin – Used the term dementia praecox – Eugen Bleuler – Introduced the term 4 “schizophrenia” - “Splitting of the mind” Impact of Early Ideas on Current Thinking – Many of Kraeplin and Bleuler’s ideas are still with us – Understanding onset and course considered important Positive Symptom Cluster The Positive Symptoms – Active manifestations of abnormal behavior – Distortions of normal behavior • Delusions 5 – Gross misrepresentations of reality • Hallucinations: Auditory and/or Visual – Experience of sensory events without environmental input Example – Can involve all senses SPECT Studies 6
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Negative Symptom Cluster The Negative Symptoms – Absence or insufficiency of normal behavior • Spectrum of Negative Symptoms 7 Spectrum of Negative Symptoms – Avolition (or apathy) – Alogia – Anhedonia – Affective flattening Disorganized Symptom Cluster The Disorganized Symptoms – Include severe and excess disruptions – Speech, behavior, and emotion Nature of Disorganized Speech 8 – Cognitive slippage –
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