chapter12-revised

chapter12-revised - Chapter 12 Schizophrenia and Other...

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Chapter 12 Schizophrenia and Other Psychotic Disorders
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Nature of Schizophrenia and Psychosis: An Overview Schizophrenia vs. Psychosis Psychosis – Broad term (e.g., hallucinations, delusions) Schizophrenia – A type of psychosis Psychosis and Schizophrenia are heterogeneous Disturbed thought, emotion, behavior
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Schizophrenia: The “Positive” Symptom Cluster The Positive Symptoms Active manifestations of abnormal behavior Distortions of normal behavior Delusions: The Basic Feature of Madness Gross misrepresentations of reality Include delusions of grandeur or persecution
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Schizophrenia: The “Positive” Symptom Cluster (continued) Hallucinations Experience of sensory events without environmental input Can involve all senses Findings from SPECT studies
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Fig. 12.1, p. 476 Some major language areas of the cerebral cortex
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Schizophrenia: The “Negative” Symptom Cluster The Negative Symptoms Absence or insufficiency of normal behavior Spectrum of Negative Symptoms Avolition (or apathy) – Lack of initiation and persistence Alogia – Relative absence of speech Anhedonia – Lack of pleasure, or indifference Affective flattening – Little expressed emotion
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Schizophrenia: The “Disorganized” Symptom Cluster The Disorganized Symptoms Severe and excess speech, behavior, and emotion Nature of Disorganized Speech Cognitive slippage – Illogical and incoherent speech Tangentiality – “Going off on a tangent” Loose associations – Conversation in unrelated directions
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Schizophrenia: The “Disorganized” Symptom Cluster (continued) Nature of Disorganized Affect Inappropriate emotional behavior Nature of Disorganized Behavior Includes a variety of unusual behaviors Catatonia – Spectrum
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Subtypes of Schizophrenia: Paranoid and Disorganized
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This note was uploaded on 11/09/2009 for the course PSY 3315 taught by Professor - during the Spring '08 term at Texas State.

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chapter12-revised - Chapter 12 Schizophrenia and Other...

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