why is autism called a spectrum disorder
Autism belongs to a collection of developmental disorders known as the autism spectrum disorders (ASDs). A spectrum disorder is a group of disorders with similar features.While one person may have mild symptoms, another might have more severe ones. Asperger syndrome. People with this syndrome display some of the milder symptoms of autistic disorder -- such as social challenges and unusual behaviors. They generally do not have any delays in language or impaired intellectual abilities.
Autism is the most common autism spectrum disorder. People with autism have differences in the development of their thinking, language, behavior and social skills. The differences appear before age three, and can be diagnosed by 18 months.utism is the most common autism spectrum disorder. People with autism have differences in the development of their thinking, language, behavior and social skills. The differences appear before age three, and can be diagnosed by 18 months.