childhood disintegrative disorder


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Related to childhood disintegrative disorder: pervasive developmental disorder, Rett's Disorder

childhood disintegrative disorder

[¦chīld‚hu̇d dis′in·tə‚grād·iv dis‚ȯrd·ər]
(psychology)
A condition occurring in 3- and 4-year-old children that is characterized by unequivocally normal development in the first several years of life, followed by a marked developmental regression (a child who previously had been speaking in sentences becomes totally mute), and various autistic features develop. Also known as Heller's syndrome.
References in periodicals archive ?
By definition, childhood disintegrative disorder can only be diagnosed if the symptoms are preceded by at least 2 years of normal development and the onset of decline is prior to age 10.
Others include Rett syndrome, Asperger syndrome, and childhood disintegrative disorder.
In addition to autism, PDD includes Rett's Disorder, Childhood Disintegrative Disorder, Asperger's Disorder, and Pervasive Developmental Disorder-Not Otherwise Specified.

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