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  1. Autism spectrum disorder - Symptoms and causes - Mayo Clinic

    May 22, 2025 · Overview Autism spectrum disorder is a condition related to brain development that affects how people see others and socialize with them. This causes problems in communication and …

  2. Autism - Wikipedia

    Autism, also known as autism spectrum disorder (ASD), [a] is a condition characterized by differences or difficulties in social communication and interaction, a need or strong preference for predictability and …

  3. What is Autism? - Autism Research Institute

    Autism is a developmental disorder that appears within the first three years of life. Learn about presentations, diagnosis, and care.

  4. Signs and Symptoms of Autism Spectrum Disorder

    Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. People with ASD often have problems with social communication and interaction, and restricted or repetitive …

  5. Autism spectrum disorder (ASD) | Autism Speaks

    What is autism? Learn about autism spectrum disorder (ASD), the autism definition, a brief overview of co-occurring conditions and access helpful resources.

  6. Autism Spectrum Disorder - National Institute of Mental Health (NIMH)

    Describes autism spectrum disorder (ASD): signs and symptoms; causes and risk factors; diagnosis in children, teens, and adults; and treatments.

  7. 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 guide to better understand and manage autism.

  8. Home | Kansas Center For Autism Research and Training

    Autism Research, Training and Resources The University of Kansas Center for Autism Research and Training (KCART) aims to advocate for and support autistic people, individuals with related …

  9. 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, interests, social interactions and ways of communicating. ASD falls …

  10. 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, communicates, and experiences the world. Learn about its symptoms, causes, …