All About PDD
In children with a pervasive developmental disorder (PDD), symptoms typically start to appear before they are three years old; some parents my notice symptoms as early as infancy. A pervasive development disorder is characterized by delays in a person's development of socialization and communication skills.
Autism is the most common type of PDD. Other forms include:
Some of the most common symptoms of PDD include:
- Problems with using and understanding language
- Difficulty relating to people, objects, and events
- Unusual play with toys and other objects.
(Click PDD to learn all about this condition, including other symptoms, how an official diagnosis is made, and more.)