Autism is known as a “spectrum” disorder because there is wide variation in the type and severity of symptoms people experience. Autism spectrum disorder (ASD) occurs in all ethnic, racial, and economic groups.
WHAT IS AUTISM?
Autism spectrum disorder (ASD) is a developmental disorder that affects communication and behaviour. Although autism can be diagnosed at any age, it is said to be a “developmental disorder” because symptoms generally appear in the first two years of life.