Autism affects a growing number of families throughout the country.  This section defines autism, provides you with information on how to diagnosis and screening of the disability, self-advocacy and more.

Autism and Developmental Disabilities Glossary

Review this glossary of terms associated with autism spectrum disorder and other developmental disabilities.

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Dual Diagnosis

Some individuals with autism spectrum disorder may also have one or more other disabilities. This section covers this topic and provides insight on early identification and intervention.

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Environmental Health

About one in six children under age 18 in the United States have intellectual, learning and developmental disabilities, including autism spectrum disorders. Current research indicates that environmental factors may play a role in the growing numbers.

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Self-Advocacy

Self-advocacy is the civil rights movement for people with intellectual and developmental disabilities working together for justice.

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Self-Determination Principles

Self-determination means that all people have the right to control how they live their lives. We provide guidance tools.

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The Developmental Disabilities Assistance and Bill of Rights Act

The Developmental Disabilities Assistance and Bill of Rights Act helps the estimated 5.4 million children and adults in the United States and territories who have developmental disabilities. It provides federal financial assistance to state, public and nonprofit agencies.

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What is Autism?

The definition of autism spectrum disorders is evolving and is seen differently depending on who is explaining autism spectrum disorders.

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