Interviews with autistic people reveal that many miss their friends and opportunities for social connection, in stark contrast to orthodox views that they have little social motivation and prefer a life of self-isolation.

The bulk of the increase in autism prevalence stems from a growing awareness of the condition and changes to the diagnostic criteria.

Conversations between an autistic and a typical person involve less smiling and more mismatched facial expressions than do interactions between two typical people.

The brainstem controls such disparate functions as breathing, sensation and sleep — all of which can be altered in autism.

A pair of tools that gauge social abilities in rhesus macaques may help researchers study autism-like behaviors in monkeys.

Most people with autism have motor difficulties, ranging from an atypical gait to problems with handwriting, but researchers still have much to learn about their causes and consequences.

Hearing difficulties and autism often overlap, exacerbating autism traits and complicating diagnoses.

Eating disorders have the highest mortality rates of any kinds of mental illness. They don’t discriminate, affecting people of all ethnicities, sexualities, gender identities, ages and backgrounds.

Two new analyses help to explain why mutations to the chromosomal region 16p11.2 can lead to autism, intellectual disability or language difficulties.

Babies with telltale patterns of electrical activity in the brain have pronounced autism traits as toddlers.