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pervasive developmental disorder
See for:
PDD
Broader Terms:
mental disorder
Narrower Terms:
Asperger syndrome
Narrower Terms:
autism
Narrower Terms:
Rett syndrome
Related Terms:
child mental disorder
Related Terms:
developmental disease /disorder
Scope Note:
group of disorders characterized by delays in the development of socialization and communication skills; typical age of onset is before 3 years of age; symptoms may include problems with using and understanding language; difficulty relating to people, objects, and events; unusual play with toys and other objects; difficulty with changes in routine or familiar surroundings, and repetitive body movements or behavior patterns; AUTISM is the most characteristic and best studied PDD; other types of PDD include ASPERGER SYNDROME, Childhood Disintegrative Disorder, and RETT SYNDROME; prefer NTs where possible.
Term Number:
5006-0029
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