The cause of autistic spectrum disorders is not yet clear.

Clinical course of children and adolescents with bipolar spectrum disorders.

Some students have additional disabilities such as autistic spectrum disorder and other medical needs.

As the precise events that lead to autistic spectrum disorders aren't yet known, it isn't possible to prevent them.

A top expert estimates that one in every 150 children has some level of spectrum disorder, a proportion believed to be rising steeply.

This mouthful of a diagnosis applies to most children with autistic spectrum disorder.

A supplemental interview for forms of "affective spectrum disorder."

After the fourth such visit they had seen enough to officially classify his symptoms as those of autistic spectrum disorder.

But finding the right one was complicated because their son, Eric, has autistic spectrum disorder, which means he needs speech and occupational therapy.

There's no specific test for autistic spectrum disorders.