Pervasive developmental delay

Alternative names 
Autistic disorder/Autism spectrum; Autism

Definition

Autism is a complex developmental disorder that appears in the first 3 years of life, although it is sometimes diagnosed much later. It affects the brain’s normal development of social and communication skills.

Also check Autism

Johns Hopkins patient information

Last revised: December 8, 2012
by Armen E. Martirosyan, M.D.

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