DisordersSchizophrenia

DisordersSchizophrenia - ± flat affect = no emotion ±...

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Schizophrenia 1. What is Schizophrenia? 1. Thinking 2. Perception 3. Emotion and Action 2. Types of Schizophrenia 1. Paranoia, Catatonia 3. Understanding Schizophrenia Characterizing Schizophrenia ± “split mind” ( not split personality) ± 1% of population, equally women and men ± tends to be recurring ± schizophrenia : a class of disorders involving disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions Schizophrenic Thinking ± delusion : false belief (persecution or grandeur) ± paranoia : a particularly strong delusion of persecution ± “word salad” ± breakdown in selective attention?
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Schizophrenic Perception ± hallucination : sensory experience without external sensory stimulation ± “hearing voices” ± less common in other modalities Schizophrenic Emotions/Actions ± mismatched emotions
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Unformatted text preview: ± flat affect = no emotion ± inappropriate motor behaviours ± often repetitive ± catatonia : fixed physical immobility Types of Schizophrenia ± positive symptoms (hallucinations; unsuitable displays) = inappropriate present ± negative symptoms (catatonia, no expression) = appropriate absent ² paranoid ² disorganized ² catatonic ² undifferentiated ² residual (withdrawal) Understanding Schizophrenia ± more dopamine receptors, intensifying brain signals (blocking dopamine reduces symptoms) ± low frontal activity ± enlarged vacuoles, shrunken tissue ± thalamus shrunken (role in attention) ± genetic factor (1 in 10 sibling; 1 in 2 identical twin; not affected by adoption) ± maybe a genetic-environmental interaction?...
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This note was uploaded on 12/13/2010 for the course PSYCH 101 taught by Professor Ennis during the Spring '09 term at Waterloo.

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DisordersSchizophrenia - ± flat affect = no emotion ±...

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