disintegrative disorder


disintegrative disorder

 a pervasive developmental disorder characterized by marked regression in a variety of skills, including language, social skills or adaptive behavior, play, bowel or bladder control, and motor skills, after at least two, but less than ten, years of apparently normal development.

disintegrative disorder

A personality disorder of children marked by regression in many areas of functioning after at least 2 yr of normal development. Individuals exhibit social, communicative, and behavioral characteristics similar to those of autistic disorder. Also called Heller's syndrome, dementia infantalis, or disintegrative psychosis. Synonym: childhood disintegrative disorder