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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 Spectrum Disorder (ASD) | Autism Spectrum Disorder (ASD)

    ASD is a developmental disability that can lead to social, communication, and behavioral challenges.

  3. 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, communicate, learn, and behave. Although autism can be diagnosed at any age, …

  4. 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.

  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 Spectrum Disorder - MedlinePlus

    Jun 28, 2025 · Autism spectrum disorder (ASD) is a neurological and developmental disorder that begins early in childhood and lasts throughout a person's life. It affects how a person acts and interacts with …

  7. How to Open ASD Files and Recover Word Document (2025 Tips)

    Dec 12, 2025 · A .asd file contains a snapshot or backup copy of the currently open Word document created by Microsoft Word's AutoRecover tool. It is usually used to recover unsaved Word files due …

  8. 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.

  9. Psychiatry.org - Autism Spectrum Disorder

    Learn about autism, including symptoms, risk factors, treatment options and answers to your questions. Autism Spectrum Disorder (ASD) is a complex developmental condition involving persistent …

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

    Dec 24, 2024 · Autism spectrum disorder (ASD), or autism, is a broad term used to describe a group of neurodevelopmental conditions. Differences in communication and social interaction characterize …