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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. Signs and Symptoms of Autism Spectrum Disorder

    May 16, 2024 · Signs and Symptoms of Autism Spectrum Disorder Key points Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. People with ASD often have …

  3. Types of Autism Spectrum Disorders (ASD) - WebMD

    Jan 16, 2025 · WebMD explains autism spectrum disorders, including Asperger's syndrome, Rett syndrome, PDD-NOS, and childhood disintegrative disorder.

  4. 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 …

  5. 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, …

  6. Autism Spectrum Disorder (ASD) Symptoms & Causes

    Oct 14, 2025 · Autism Autism is a difference in how your child’s brain works that causes them to socialize and behave in unique ways. Early signs of autism include limited eye contact and body …

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

    What is autism spectrum disorder? Autism spectrum disorder is a neurological and developmental disorder that affects how people interact with others, communicate, learn, and behave.

  8. What is the Autism Spectrum?

    Autism is a neurodevelopmental condition that affects how people communicate and interact, and how a person’s brain develops and functions, from infancy through adulthood. Autistic people are often …

  9. Autism Spectrum Disorder: Causes, Symptoms, Diagnosis, and …

    Sep 10, 2025 · Autism Spectrum Disorder (ASD) is not simply a medical condition—it is a profoundly human experience. It represents a different way of perceiving, processing, and engaging with the …

  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. According …