Before revision: Cognitive impairment and delayed language and motor development were more common in this group than in the general population, and they might have experienced low self-esteem and engaged in dis-social behavior as a consequence of the disorder.
After revision: Cognitive impairment and delayed language and motor development were more common in this group than in the general population, and they might have experienced low self-esteem and engaged in antisocial behavior as a consequence of the disorder.