PSYCH 2AP3 Lecture Notes - Lecture 2: Neurodevelopmental Disorder, Prevalence, Small Arms

• School: McMaster University
• Department: Psychology
• Course: PSYCH 2AP3
• Professor: Richard B Day

Document Summary

First described by 1902 by dr. george still, english physician. 1980s - add plus adhd for those with hyperactivity. Dsm 4 (1994) and dsm 5 use adhd for all cases; 3 subtypes. How many existing causes in some time period. Annual prevalence: how many cases in the past year (diagnosed) Lifetime prevalence: how many people have it during their lives. Phi type starts in nursery or primary school, more common in boys than girls. Pi type starts in primary or high school, equally common in boys and girls. Overall, twice as common in boys than girls; more common among teens. Accounts for about 50% of childhood psychiatric patients. Usually phi - usually comorbid for externalizing disorder. Conduct disorder - if you were an adult you would get charged. Odd - individuals who don"t do what they are told. Those who respond to treatment of lithium also meet criteria for adhd.