Childhood Disintegrative Disorder
Alternate Names : Disintegrative Psychosis, Heller Syndrome, Dementia Infantilis
How is the condition diagnosed?
Childhood disintegrative disorder can only be diagnosed if the symptoms are preceded by at least 2 years of normal development. The disintegration of skills begins before age 10. Diagnosis is made on the basis of the symptoms the child is having. The child must have lost significant skill in 2 of the following areas: language, social, or adaptive behavior.