
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 …
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: 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.
Signs and Symptoms of Autism Spectrum Disorder
May 16, 2024 · Learn about the signs and symptoms of ASD.
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 …
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 …
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 Spectrum Disorder (ASD) Symptoms & Causes
Oct 15, 2025 · Autism spectrum disorder (ASD) is the full medical name for autism. The DSM-5-TR defines ASD as a difference in brain functioning that affects how you communicate and …
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 …
Types of Autism: Understanding Its Levels and Symptoms
6 days ago · Classic Autism (Autistic Disorder/Kanners Syndrome) Classic autism, the most recognisable form of autism, was characterised by early language delays, communication …