Handout - Lecture 15 - Schizophrenia

Handout - Lecture 15 - Schizophrenia - Schizophrenia Click...

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Click to edit Master subtitle style 1/5/11 Schizophrenia
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1/5/11 Schizophrenia Positive symptoms Bizarre delusions (false beliefs) of control, persecution, or grandeur Hallucinations (false perceptions) Usually auditory Thought disorder Disorganized, irrational thinking Loosely associated thoughts
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1/5/11 Schizophrenia Negative symptoms Poverty of speech Blunted affect Social withdrawal Deficits in memory and attention
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1/5/11 Schizophrenia Demographics 1% of the population No notable racial or gender differences
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1/5/11 Schizophrenia Etiology Appears in late adolescence, early adulthood Some deficits may be seen in “at risk” individuals (e.g., children of schizophrenics) as early as 10 years of age.
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1/5/11 Schizophrenia Genetics Twin studies Identical twins – 45% concordance Fraternal twins – 10% concordance Increased risk associated with having an identical twin with schizophrenia can be passed to offspring
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1/5/11 Schizophrenia Brain damage Enlarged ventricles Atrophy of frontal cortex
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Handout - Lecture 15 - Schizophrenia - Schizophrenia Click...

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