Abnormal Psych – Schizo, Psychotic, Developmental, Cognitive disorders

Abnormal Psych – Schizo, Psychotic, Developmental, Cognitive disorders

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Schizophrenia & Other Psychotic Disorders B & D Chapter 13
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Early Views Emil Kraepelin: Recognized catatonia, hebephrenia, and paranoia as all symptoms of schizo Eugen Bleuler: Coined term “Schizophrenia” Associative splitting: “breaking of associative threads”
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What is Schizophrenia? Number of behaviors or symptoms Schizophrenia can look very different from one case to another Psychotic behavior Hallucinations: experience of sensory events w/o any input from surrounding enviro Delusions: belief that would be seen by most members of society as a misrepresentation of reality
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DSM Criteria for Schizophrenia 2+ of the following are present for significant portion of a 1-month period: Delusions, hallucinations, disorganized speech, disorganized/catatonic behavior, negative symptoms Social/Occupational Dysfunction Duration: Continuous signs of disturbance for 6+ months Must include 1+ month of active-phase symptoms Other times may include prodromal/residual symptoms
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Symptoms of Schizophrenia Positive hallucinations/delusions 50-70% of those with schizophrenia Negative absence/insufficiency of normal behavior  apathy, poverty of thought or speech/emo or social withdrawal 25% of those with schizophrenia Disorganized erratic behaviors that affect speech/motor
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Positive Symptoms Delusions Misrepresentation of reality Types Delusion of Grandeur Delusion of Persecution Theories Motivational View Deficit View
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Positive Symptoms Hallucinations Experience of sensory events without any input from the surrounding environment Often auditory, visual or even olfactory auditory most common “Hearing voices” activates speech production area of the brain Broca’s area  not language comprehension
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Negative Symptoms Avolition Inability to initiate and persist in activities Alogia Relative absence of speech Trouble finding correct words; not inadequate communication skills Anhedonia Indifference to normally pleasurable activities Affective Flattening
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Disorganized symptoms Disorganized Speech Jump from topic to topic Tangentiality Loose associations/derailment Inappropriate Affect laughing/crying at improper times Disorganized Behavior Other “active” inappropriate behaviors Hoarding
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Schizophrenia Subtypes: Paranoid Preoccupation with 1+ delusions or frequent auditory hallucinations None of the following: Better prognosis
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Schizophrenia Subtypes: Disorganized Disorganized speech/behavior Flat/inappropriate affect If any positive symptoms, tend to not have theme Usually shows early signs Chronic course, rarely showing improvement
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Schizophrenia Subtypes: Catatonic Waxy flexibility Excessive activity Odd mannerisms with face/body Echolalia repeat/mimic words of others Echopraxia repeat/mimic movements of others
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Abnormal Psych – Schizo, Psychotic, Developmental, Cognitive disorders

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