childhood disintegrative disorder

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A pervasive developmental disorder characterized by at least two years of apparently normal development followed by significant loss of language abilities, social skills, bowel or bladder control, motor skills, or play, together with impairment in social interaction and communication, or restricted, repetitive, or stereotyped mannerisms, interests, or activities. Also called dementia infantalis, disintegrative disorder, or Heller's syndrome, after the Austrian neuropsychiatrist Theodor O. Heller (1869–1938) who first described it in an article entitled ‘Dementia Infantalis’ in the Zeitschrift für die Erforschung und Behandlung des jugendlichen Schwachsinns in 1908. Compare autistic disorder. CDD abbrev.

Subjects: Psychology.

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