People with ASD have difficulty with social communication and interaction (e.g.
Autism is also known as a 'spectrum' disorder because there is wide variation in the type and severity of symptoms people experience.
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. A developmental disorder that affects communication and behavior, and includes symptoms that impair the individual's ability to function properly in school, work and other areas of life.
