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 many cases, distinctive reactions to sensory input.

Autism spectrum disorder - Symptoms and causes - Mayo Clinic
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 along with others socially. The condition also includes limited and repeated patterns of behavior.

Signs and Symptoms of Autism Spectrum Disorder
Learn about the signs and symptoms of ASD.

AUTISTIC Definition & Meaning - Merriam-Webster
The meaning of AUTISTIC is of, relating to, or marked by autism or autism spectrum disorder. How to use autistic in a sentence.

Autism: Symptoms, Causes, Types, and Testing - WebMD
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.

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 appears in different forms with varying levels of severity.

AUTISTIC | English meaning - Cambridge Dictionary
AUTISTIC definition: 1. affected by or relating to the condition of autism, which affects the development of social and…. Learn more.

What Are The Signs Of Autism? - Simply Psychology
Autism is a neurodevelopmental condition characterized by differences in social communication, social interaction, and the presence of restricted, repetitive patterns of behavior, interests, or activities. Estimates from 2020 indicate that about 1 in 36 US 8-year-olds had been diagnosed as autistic (Maenner et al., 2023).

What is autism? - National Autistic Society
Autism influences how people experience and interact with the world. It is a lifelong neurodivergence and disability. Autistic people are different from each other, but for a diagnosis they must share differences from non-autistic people in how they think, feel and communicate.

About Autism Spectrum Disorder | Autism Spectrum Disorder (ASD) | CDC
Scientists believe there are multiple causes of ASD that act together to change the most common ways people develop. We still have much to learn about these causes and how they impact people with ASD. Early intervention services can greatly improve the development of a child with ASD.