Intro_to_SCZ_abnormal_student

Intro_to_SCZ_abnormal_student - Schizophrenia Symptoms...

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Symptoms Common Misconceptions Jessica L. Yokley (jly14@pitt.edu) Abnormal Psychology- Spring 2009 Schizophrenia
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Symptoms
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Overview of the Disorder Schizophrenia is a psychotic disorder – “break from reality” Schizophrenia represents a qualitatively different experience from normal functioning
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Diagnostic Criteria A. 2+ of the following, each present for a significant portion of time during a one month period: 1. Delusions 2. Hallucinations 3. Disorganized speech/Formal Thought Disorder 4. Disorganized or catatonic behavior 5. Negative symptoms
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Definitions Delusions Paranoid Delusions/Delusions of Persecution Delusions of Reference Thought Withdrawal/Insertion Hallucinations Auditory, visual, tactile, olfactory, and gustatory
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Definitions Language is thought to be represented mentally by nets of associations between words
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Definitions Formal Thought Disorder:
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Definitions FTD leads to several specific errors. Two examples: Derailment “I’m supposed to be making a film right now. Jesus Christ is writing a book about me.” Incoherence/Word Salad “Making do in life isn’t none of that stuff about evolution guiding, it’s true anymore now. It happened in eons and eons and stuff they wouldn’t believe in him.”
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Definitions Disorganized Behavior: Disturbance of affect, lack of goal orientation, socially withdrawn, & odd motor behavior/agitation Catatonic Behavior: Low reactivity to the environment, including complete unawareness and/or rigid posturing
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Definitions Symptom Categories: Positive: Negative: Social withdrawal, anhedonia, blunted affect, avolition, alogia *Symptoms are relatively unstable, esp. positive symptoms *High symptom heterogeneity between patients
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Diagnostic Criteria A. 2+ of the following, each present for a significant portion of time during a one month period: 1. Delusions 2. Hallucinations 3. Disorganized speech/Formal Thought Disorder 4. Disorganized or catatonic behavior 5. Negative symptoms *Only 1 symptom is necessary if the delusions are bizarre, or auditory hallucinations are commenting or conversing
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Diagnostic Criteria, cont. B. Must negatively impact 1+ major areas of functioning C. Must last for at least 6 months 6 month period must include at least 1 month of symptoms that meet criterion A Other 5 months can be residual symptoms
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Associated Disorders & Differential Diagnosis
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Differential Diagnosis Symptoms similar to schizophrenia are also seen in several other psychiatric disorders: Schizophreniform Disorder Brief Psychotic Disorder Schizoaffective Disorder (bipolar or depressed subtypes) Bipolar I Disorder Delusional Disorder Shared Psychotic Disorder Mood Disorder with Psychotic Features Psychosis NOS Personality Disorders: Schizotypal, Schizoid, Paranoid, Borderline
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Differential Diagnosis, cont. Symptoms similar to schizophrenia can also be caused
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Intro_to_SCZ_abnormal_student - Schizophrenia Symptoms...

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