PSYCH 2AP3 Study Guide - Final Guide: Rote Learning, Reuptake, Solitude

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Interested in limited amount of things: arranging objects in same way again and again, hyperactivity, impulsivity, short attention span, high tolerance for pain, highly sensitive to stimuli. Prevalence: all under 1%, but has increased from 1994-2007. Highest group was pdd-nos (pervasive developmental disorder nos) Very big range of prevalence today- no certain idea. Not that frequency is increasing (even though more cases today) depends on diagnostic labels given. 75% also meet criteria for mental retardation (dominant diagnosis) Today, we know more about autism, more likely to correctly detect + give diagnosis for. Epidemiology: more common in boys (4-5x, males more likely to still have normal cognitive function, females (are less prone) - more likely to have extreme, low cognitive functioning. Comorbidity: majority comorbid for at least one other disorder (70%) Motor development problems: dysdiadochokinesia (problems with rapid alternating movements), gait/balance/abnormal muscle tone, reflexes and motor coordination.

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