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Unformatted text preview: Biological underpinnings Heritability estimates Neurotransmitters High levels of norepinephrine? No proof of link with serotonin Permissive theory Low serotonin opens the door? Schizophrenia DSM diagnostic criteria Positive symptoms (+) Negative symptoms ( ) Characteristic symptoms Delusions Hallucinations Disorganized speech Disorganized behavior Negative symptoms Subtypes of Schizophrenia Paranoid Absurd delusions and hallucinations Catatonic Alternating between extreme/no motion, actions Disorganized Emotional distortion and blunting Undifferentiated Potential precursor to an above type Biological underpinnings Heritability estimates Dopamine hypothesis Neuroanatomy Larger ventricles Extensive neuronal loss Psychological underpinnings Development in a stressful environment Expressed emotion Individual made worse by environment? Environment made worse by individual?...
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