Autism Defined

Autism Defined
Autism is a brain development disorder that impairs social interaction and communication, and causes restricted and repetitive behavior, all starting before a child is three years old. This set of signs distinguishes autism from milder autism spectrum disorders (ASD) such as Asperger syndrome.
Autism may occur by itself or in association with other disabilitie.

The symptoms are caused by physical disorders of the brain. They include:
(1) Disturbances in the rate of appearance of physical, social and language skills.
(2) Abnormal responses to sensations. Any one or a combination of senses or responses are affected: sight, hearing, touch, pain, balance, smell, taste, and the way a child holds his body.
(3) Speech and language are absent or delayed while specific thinking capabilities might be present.
(4) Abnormal ways of relating to people, objects and events.

There are separate labels given to children with autism for different points on the Autism spectrum.
At the least affected end, you may find labels such as "Asperger's Syndrome", "High Functioning Autism" and "Pervasive Developmental Disorder - Not Otherwise Specified" (PDD-NOS). At the other end of the spectrum you may find labels such as "Autism", "Classic Autism" and "Kanner Autism"

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