Pervasive developmental disorder

The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), refers to a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. Parents may note symptoms as early as infancy and typically onset is prior to 3 years of age. PDD is not fatal and does not affect normal life expectancy (however, an increased risk of suicide is associated with Asperger's syndrome).

Related Topics:
Specific developmental disorders - Disorder - Socialization - Communication - Suicide - Asperger's syndrome

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