At about age 2, which words begin to take on especially important significance to toddlers?

Recent brain imaging data indicates that drug dependence is caused by an underlying biological abnormality

Indicate whether the statement is true or false

In the past, children with frequent, intense episodes of uncontrollable rage were most likely to have been diagnosed as having _____ disorder

a) pediatric bipolar b) an anxiety c) a psychotic d) histrionic personality