The Disability Education Act of 1990 defines Autism as a developmental disability that significantly affects verbal and nonverbal communication and social interaction. It is usually evident before the age of three, and adversely affects a child’s educational performance. Autism is considered to be the most common form of the pervasive developmental disorder (PDD), which includes neurological disorders that affect a person’s capacity to communicate, understand language, play, and relate to others (Long & Robertson,
The Disability Education Act of 1990 defines Autism as a developmental disability that significantly affects verbal and nonverbal communication and social interaction. It is usually evident before the age of three, and adversely affects a child’s educational performance. Autism is considered to be the most common form of the pervasive developmental disorder (PDD), which includes neurological disorders that affect a person’s capacity to communicate, understand language, play, and relate to others (Long & Robertson,