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Psychosis and ADHD.docx

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PSYC 471
Linda Booij

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PSYC 471 Psychosis and ADHD Psychosis • Variable symptoms • Many disorders Dopamine hypothesis: excessive dopamine gives rise to psychosis. • Motivational salience • Prediction of reward Psychotic insight: individual takes a top-down approach in seeking confirmatory evidence of their delusion. • Glutamate o Ketamine and PCP block NMDAreceptors o May play role in DAdysregulation Atypical antipsychotics: work on 5-HT receptors and dopamine. Neuroleptic state: sedated, lack of normal activity, motivation. ADHD i. Inattention ii. Hyperactivity/impulsivity Subtypes • Hyperactive-impulsive • Inattentive • Combined • Many possible symptoms – l
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