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  1. Autism - Wikipedia

    Autism is primarily characterized by differences and difficulties in social interaction and communication, alongside restricted or repetitive patterns of interests, activities, or behaviors (stimming), and, in …

  2. 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 …

  3. 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.

  4. 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 often have problems with social communication and interaction, and …

  5. What is autism? - NHS

    Some have average intelligence or above average intelligence. Autistic people are more likely to have some physical and mental health conditions, such as epilepsy, anxiety, eating disorders or …

  6. 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, …

  7. 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.

  8. 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 ASD have a known difference, such as a genetic condition. Other …

  9. What is autism - National Autistic Society

    A definition of autism with an overview of communication, behaviours and interests, and sensory processing differences needed for an autism diagnosis.

  10. Autism - World Health Organization (WHO)

    Sep 17, 2025 · Autistic people are more likely to die prematurely. People with autism require accessible health services for general health-care needs like the rest of the population, including promotive and …