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  1. 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 socialize with them. This causes problems in communication and getting …

  2. 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 …

  3. 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 …

  4. 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, …

  5. What is Autism? - Autism Research Institute

    Autism is a developmental disorder with symptoms that appear within the first three years of life. Its formal diagnostic name is autism spectrum disorder. The word “spectrum” indicates that autism …

  6. 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.

  7. Autism (ASD): Symptoms, Causes, Tests, Treatment & More

    Dec 24, 2024 · Autism spectrum disorder is a neurodevelopmental condition that can affect a person’s ability to communicate. Get statistics, learn how it affects kids, and more.

  8. Autism - World Health Organization (WHO)

    Sep 17, 2025 · The abilities and needs of autistic people vary and can evolve over time. While some people with autism can live independently, others have severe disabilities and require life-long care …

  9. What Is Autism? - Verywell Mind

    Oct 29, 2025 · Autism, also known as autism spectrum disorder, is a neurodevelopmental disorder characterized by social interaction and communication challenges, as well as restricted or repetitive …

  10. 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, repetitive behaviors, speech and nonverbal communication.