" Autism is a complex neurobehavioral disorder that includes impairments in social interaction and developmental language and communication skills and rigid, repetitive behaviors. The disorder covers a large spectrum of symptoms, skills, and levels of impairment. It ranges in severity from a handicap that limits an otherwise normal life to a devastating disability that may require institutional care. Children with autism have trouble communicating. They have trouble understanding what other people think and feel. This makes it very hard for them to express themselves either with words or through gestures, facial expressions, and touch. A child with autism who is very sensitive may be greatly troubled -- sometimes even pained -- by sounds, touches, smells, or sights that seem normal to others. Children who are autistic may have repeated body movements such as rocking or hand flapping. They may have unusual responses to people, attachments to objects, resist...