Hyperbaric oxygen is a cutting-edge treatment for many children with autism. Unfortunately, many insurance companies won't cover the cost of the sessions.

Many individuals affected by autism have co-morbid medical problems, such as seizures and gastrointestinal disorders. There are a limited number of physicians and centers nationwide that have the experience and expertise in treating autism and often-related medical complexities. Many of the behavioral problems associated with autism render commercial air travel difficult, if not impossible, for many affected individuals.

"More and more states are recognizing the need to pass this legislation," Stuart Spielman, a policy adviser and counsel to Autism Speaks, told the committee. "Given the severity of autism spectrum disorders for many people, providing comprehensive care is the best way . . . to realize savings down the road."

"Autism is too big as a whole to attack," said John Sweeney, director of UIC's Center for Cognitive Medicine and the group's brain imaging specialist. "We have to go through the brain bit by bit to find out what's working and what's not. Get the bricks sorted out, and then build the house."