Childhood disintegrative disorder
Definition
Childhood disintegrative disorder (CDD) is a developmental disorder that resembles autism. It is characterized by at least two years of normal development, followed by loss of language, social skills, and motor skills before age ten. Other names for childhood disintegrative disorder are Heller's syndrome, dementiainfantilis, and disintegrative psychosis.
Description
Thomas Heller, an Austrian educator, first described childhood disintegrative disorder in 1908. It is a complex disorder that affects many different areas of the child's development. It is grouped with the
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