Disorders characterized by disruptive behavior in school, home, and other settings. They can include attention deficit hyperactivity disorder (ADHD), conduct disorder, difficulty learning, and inability to establish satisfactory relationships with others. Such behavior is considered inappropriate, excessive, chronic, and abnormal.

Disturbances considered to be pathological based on age and stage appropriateness, e.g., conduct disturbances and anaclitic Depression. This concept does not include Psychoneuroses, Psychoses, or Pers [..]

A disorder characterized by episodes of vigorous and often violent Motor Activity during REM Sleep (Sleep, REM). The affected individual may inflict self injury or harm others, and is difficult to awa [..]

Behaviors which are at variance with the expected social norm and which Affect other individuals.