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What is PDD?
Autism is one of five disorders that falls under the umbrella of Pervasive Developmental Disorders (PDD), a category of neurological disorders characterized by "severe and pervasive impairment in several areas of development."
The five disorders under PDD are:
Autistic Disorder |
Asperger's Disorder |
Childhood Disintegrative Disorder (CDD) |
Rett's Disorder |
PDD-Not Otherwise Specified (PDD-NOS) |
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