Physicians use the criteria outlined in the Diagnostic and Statistical Manual, Fourth Edition (DSM-IV) to diagnose Autism, Asperger Syndrome, and related disorders.
The educational system uses a set of criteria to determine if a student qualifies for special education under the category of Autism Spectrum Disoirder (ASD). A student's medical diagnosis of Autism, or lack of, does not influence the student's ability to qualify for special education under this category.
The State of Oregon recognizes that ASD impairs four main areas of functioning for students:
2.) Social Interaction;
3.) Patterns of Behavior, interests, or activities that are restrictive,
repetitive, or stereotypic; and
4.) Unusual responses to sensory experiences