Autism is a complex disability that typically appears during the first three years of life. The result of a neurological disorder that affects the functioning of the brain, autism and it's associated behaviors have been estimated to occur in 1 in 150 individuals and is more common than Down's Syndrome. Four times more prevalent in boys that girls, autism knows no racial, ethnic or social boundries. Over half a million individuals in the U.S. have some form of autism; which is currently the third most common developmental disability. The spectrum includes diagnosis of Pervasive Development Disorder, Asperger's Syndrome, and PDD-NOS.