Late at night, when I’m alone, I sometimes ponder what it means to be autistic. Do I experience sounds and smells differently from an allistic (non autistic) person? Scientific studies suggest I do.

The latest government data shows that autism prevalence is on the rise, but a newly-adopted standard for diagnosing the developmental disorder may be muddying the numbers. The definition of autism got ...

A proposed new definition of autism could exclude many people now classified as having the disorder. The Times talked to Dr. Fred R. Volkmar, director of the Child Study Center at the Yale School of ...

COLUMBIA - Most parents fear hearing their child is autistic. But now parents may fear the opposite...that those who are autistic now, will not qualify under a new definition. The American Psychiatric ...

The author of a study that could result in a change to the definition of autism, one that could exclude many people from being diagnosed as autistic, now says more study is needed before the ...

Five years after a sweeping overhaul of the diagnostic criteria for autism, research suggests that the changes have led fewer people to be identified with the developmental disorder. The definition of ...

An expert panel has taken a new crack at that question, proposing a redefinition of autism and related conditions for the manual used by U.S. mental health professionals. The plan has aroused fears ...

Proposed changes in the definition of autism would sharply reduce the skyrocketing rate at which the disorder is diagnosed and may make it harder for many people who would no longer meet the criteria ...

Experts estimate that 1 percent of the population of children in the U.S. ages 3-17 have an autism spectrum disorder. Autism occurs in all racial, ethnic, and socioeconomic groups, and is more likely ...

The definition of autism is getting increasingly broader. As a result, we are building a new reality of the disorder that doesn’t accurately represent the most affected population. I first learned ...

Proposed changes in the definition of autism would sharply reduce the skyrocketing rate at which the disorder is diagnosed and may make it harder for many people who would no longer meet the criteria ...