Autism spectrum disorder - Symptoms and causes - Mayo Clinic
May 22, 2025 · Autism spectrum disorder is a condition related to brain development that affects how people see others and …
Autism - Wikipedia
Autism is primarily characterized by differences and difficulties in social interaction and communication, alongside restricted or …
What is Autism? - Autism Research Institute
Sep 16, 2025 · Autism is a developmental disorder with symptoms that appear within the first three years of life. Its formal diagnostic …
Signs and Symptoms of Autism Spectrum Disorder
May 16, 2024 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. People with ASD …
Autism Spectrum Disorder - National Institute of Mental Health (NIMH)
Autism spectrum disorder (ASD) is a neurological and developmental disorder that affects how people interact with others, …
Autism spectrum disorder (ASD) | Autism Speaks
Autism, or autism spectrum disorder (ASD), refers to a broad range of conditions characterized by challenges with social skills, …
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: Symptoms, Causes, Types, and Testing - WebMD
Sep 11, 2024 · Know about autism, including its symptoms, causes, types, and testing methods. Explore WebMD's comprehensive …
What is autism spectrum disorder? - Harvard Health
May 22, 2025 · Autism spectrum disorder (ASD) is a complex neurological condition that affects how a person interacts, …
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, …