Describe 4 differential diagnoses of a 15-year-old boy who has current episodes of anger outbursts, violence hurting people, and breaking furniture, a history of Preschool- behavioral problems with aggression towards peers, a problem with speech articulation, falling behind in academics; elementary school- bedwetting, aggression, defiance, bossiness, poor sleep. History of bad dreams and nightmares and sometimes hears his name yelled out when no one is around.