Autism Home > All About Pervasive Developmental Disorder
Pervasive developmental disorder (PDD) is a term that refers to disorders in which a person experiences delays in the development of socialization and communication skills. The typical age of onset is before a child turns three years old. However, some parents may notice symptoms as early as infancy.
PDD symptoms will vary from person to person, but may include things like:
- Difficulty with changes in routine or familiar surroundings
- Problems with using and understanding language
- Difficulty relating to people, objects, and events.
Examples of pervasive developmental disorders include:
(Click Pervasive Developmental Disorder to learn all about this topic, such as the interventions that can address specific behavioral problems.)