Autism Spectrum Disorders

Pervasive Developmental Disorder – Not Otherwise Specified (PDD-NOS), Autism, and Asperger syndrome are the three diagnoses that comprise Autism Spectrum Disorders.

“Autism is a disorder of neural development characterized by impaired social interaction and communication, and by restricted and repetitive behavior” (

Cause: The cause of Autism is unknown. Research has shown that gentics may contribute to the occurance of Autism. However, the exact cause of Autism is unknown.

Diagnosis: Children are typically diagnosed between the ages of 2 and 3. Diagnosis is made based on the definition of Autism found in the DSM-IV-TR. The criteria in the DSV-IV-TR is based on behavior. In order to meet the criteria for diagnosis, an individual must exhibit six symptoms, two of which must be related to social interaction, one related to communication, and one related to restricted or repetitive behavior.

Additional Information: