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 …
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 …
Signs and Symptoms of Autism Spectrum Disorder
May 16, 2024 · Learn about the signs and symptoms of ASD.
Autism: Symptoms, Causes, Types, and Testing - WebMD
Sep 11, 2024 · Autistic disorder. This is what most people think of when they hear the word "autism." It affects social interactions, communication, and play in children younger than 3 years.
Autism Spectrum Disorder (ASD) Symptoms & Causes
Oct 15, 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 …
What is autism spectrum disorder? - Harvard Health
May 22, 2025 · Autism is a neurodevelopmental condition that affects a person’s ability to communicate and interact with others, often involving challenges with starting and maintaining …
Autism (ASD): Symptoms, Causes, Tests, Treatment & More
Dec 24, 2024 · ASD describes a group of neurodevelopmental conditions that become evident during early childhood. Certain genetic and environmental factors can contribute to its …
Autism - World Health Organization (WHO)
Sep 17, 2025 · Autism spectrum disorders (ASD) are a diverse group of conditions. They are characterized by some degree of difficulty with social interaction and communication. Other …
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 …
Autism spectrum disorder (ASD) | Autism Speaks
Developed by and for autistic adults, this guide can help you figure out what comes next. Find local providers and services in your area with the Autism Speaks Resource Guide.