The basic definition of autism that I’ve given you – that it’s lifelong and neurodevelopmental, and that there are ...

Since 2013, when the DSM-5 collapsed five autism subtypes into the single diagnosis of "autism spectrum disorder (ASD)," we've treated autism like a monolith. Maybe that made sense when our tools were ...

When people hear the word autism, it’s often associated with a specific set of traits. But in reality, autism spectrum disorder (ASD) is just that—a spectrum, encompassing a broad range of differences ...

There has been a growing demand in recent years to separate “profound autism” into its own diagnosis, outside current parameters. Since 2013, autism diagnoses have been split into three levels, ...

Families of people with severe autism say the repeated expansion of the diagnosis pushed them to the sidelines. A new focus on the disorder has opened the way for them to argue their cause. Jodie ...

Anyone can be autistic. You probably know a friend, family member, or co-worker who is autistic. Perhaps you are autistic yourself. Autism is a neurodevelopmental condition that affects how people ...

Readers weigh in on the challenges of defining and diagnosing the condition. To the Editor: Re “In New Focus on Autism, Some Worry the Spectrum Is Too Broad” (front page, Oct. 5): One thing’s for ...

“On the spectrum.” These three words have become synonymous with autism, yet behind them lies a common misunderstanding. The idea of “the spectrum” suggests that all autistic people share similar ...

Here's why the condition affects each person diagnosed with it so differently — plus how anyone with autism can thrive.

For decades, the question of what causes autism has captured public attention, fueled debates, and spurred waves of research. Secretary of Health and Human Services Robert Kennedy has been a prominent ...