Autism: Symptoms, Diagnosis and Treatments: Part 1

Autism: Symptoms, Diagnosis and Treatments

Sep 7, 2010
1:33 PM ET
By Amanda Chan, MyHealthNewsDaily Staff Writer

Autism spectrum disorders affect a person's ability to communicate and interact with others and behave appropriately in social situations. Approximately 1 in 110 children in the United States has an autism spectrum disorder, according to the Centers for Disease Control and Prevention.

Autism spectrum disorders are divided into three categories: autistic disorder, Asperger's Syndrome and pervasive developmental disorder- not otherwise specified (PDD-NOS).

Autistic disorder is characterized by language delays, problems with communication and unusual behavior. Intellectual disabilities are common in people with autistic disorder.
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Asperger Syndrome is a mild form of autistic disorder. People with Asperger's, have problems with social interaction and unusual behavior, however, they don't usually have impaired language skills or intellectual disabilities, according to the CDC.

People with PDD-NOS may meet some criteria for autistic disorder or Asperger Syndrome, but their symptoms are fewer and milder. They may only have trouble with social interaction, the CDC said.

Despite controversy around the subject, there is no evidence that links vaccination of a child with the development of autism, according to the National Institute of Child Health and Human Development

Come back tomorrow and read about the symptoms of autism.