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What Is Autism? What is Autism Spectrum Disorder?
"Autism spectrum disorder (ASD) and autism are both general terms for a group of complex disorders of brain development."

What Is Autism Spectrum Disorder?
"The term "spectrum" refers to the wide range of symptoms, skills, and levels of impairment or disability that children with ASD can have."

Facts About ASD
"Autism spectrum disorder (ASD) is a developmental disability that can cause significant social, communication and behavioral challenges."

Autism Spectrum Disorder
"One of the most important changes in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) is to autism spectrum disorder (ASD)."