What is autism spectrum disorder? Autism spectrum disorder is a neurological and developmental condition that can affect a person's ability to learn, communicate and interact socially.

April is Autism Acceptance Month and April 2 is World Autism Day. Here's how autistic advocates say you can support these communities all year long.

Autism spectrum disorder, or ASD, is the clinical name for the condition most people refer to as autism. Autism is defined as "a complex developmental condition that affects communication, social ...

Signs of autism in babies can include repetitive movements, delayed babbling, and lack of eye contact. Learn more about the ...

About 2% of the world's adults have autism spectrum disorder. And many people recently have come to the realization that they're autistic as adults, some sharing their stories about their ...

Children on the autism spectrum might learn to read earlier than their neurotypical peers, sometimes as early as age 2. But ...

Pragmatic language disorder is a condition in which someone has trouble with appropriate social communication. Learn about the signs and treatment options.

“Autism spectrum disorder (ASD) is characterized by differences in social communication and the presence of repetitive and focused interests and behaviors,” says Earl.

Childhood disintegrative disorder (CDD) occurs when a child regresses in multiple areas of functioning after about 2 years of typical development. It is part of autism spectrum disorder (ASD).

“Autism spectrum disorder (ASD) is characterized by differences in social communication and the presence of repetitive and focused interests and behaviors,” says Earl.

Some people describe themselves as having Asperger’s disorder, while others call themselves autistic. But is there a difference?