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4 Cards in this Set
- Front
- Back
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Which type of ADHD is most frequent?
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the combined type, showing six or more symptoms of inattention and six or more of hyperactivity-impulsivity
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gender distribution in ADHD
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- boys are 3 times more likelier than girls to develop ADHD
- but risk of under-identification due to less disruptive behavior by girls |
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what are characteristics of stimulant drugs in comparison to non-stimulant drugs?
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stimulant drugs increase levels of dopamine and NE by enhancing the release and inhibiting the reuptake
- e.g. Ritalin non-stimulant drugs influence only NE levels, they are not rewarding, thus not leading to addiction - also it takes longer until they work in patiens with ADHD (approx. 2 weeks) - can reduce tics caused by ritalin - e.g. clonidine and guanfacide |
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What are cognitive similarities/differences in ADHD and autism? (with reference to Bradshaw's model)
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- both show impairments in frontostriatal circuitry
- however each disorder is different in that they involve different combinations of deficits - inhibitory difficulties/sustained attention is impaired in ADHD but normal in autism - planning and attention shift is impaired in autism but normal in ADHD thus when executive function is split into its components, an opposite pattern can be observed --> division predicts a double dissociation between disorders |
