Autism Spectrum Disorder (ASD) | CDC
Autism Spectrum Disorder (ASD) is a developmental disability causing social, communication, and behavioral challenges.
About Autism Spectrum Disorder | Autism Spectrum Disorder (ASD)
Apr 13, 2026 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with …
Autism Spectrum Disorder - National Institute of Mental Health (NIMH)
What is autism spectrum disorder? Autism spectrum disorder (ASD) is a neurological and developmental disorder that affects how …
Autism Spectrum Disorder - National Institute of Mental Health (NIMH)
Learn about NIMH research on autism spectrum disorder. Find resources on the signs and symptoms of autism and potential …
What is Autism? - Autism Research Institute
Sep 16, 2025 · Autism is a developmental disorder that appears within the first three years of life. Learn about presentations, …
Autism - World Health Organization (WHO)
Sep 17, 2025 · Autism spectrum disorders (ASD) are a diverse group of conditions. They are characterized by some degree of …
Autism Spectrum Disorder (ASD) Symptoms & Causes
Apr 15, 2026 · Autism (autism spectrum disorder, or ASD) is a difference in how your child’s brain works that shapes their behaviors, …
Diagnosed with autism as an adult? What to know
Mar 24, 2026 · High-functioning autism in adults can be hard to spot. Learn common ASD traits, masking behaviors, and what …
Autism Spectrum Disorder: Causes, Symptoms, Diagnosis, and Treatment
Sep 10, 2025 · Autism Spectrum Disorder (ASD) is not simply a medical condition—it is a profoundly human experience. It …
ASD levels of severity | Autism Speaks
Read about the three levels of autism spectrum disorder (ASD) from the fifth edition of the Diagnostic and Statistical Manual of …