An experimental behavioral therapy delivered by parents does not improve autism traits in babies who screen positive for the condition.

The more words autistic children hear as infants — and the more verbal interactions they have with their caregivers — the better their language skills at age 2.

Autistic people described as ‘high functioning’ because they do not have intellectual disability often still struggle with daily living skills.

In the final installment of Graeme Simsion’s bestselling Rosie trilogy, the protagonist’s implied autism becomes explicit — and leaves our reviewer cold.

The relatives of autistic people often have mild traits of the condition. Studying these family members could broaden our understanding of autism.

Autistic infants as young as 4 months may have fewer verbal exchanges with their caregivers than their peers do.

Several of the brain’s responses to sound are sluggish in autistic children who speak few or no words, compared with those who are verbal.

Restricted and repetitive behaviors decrease significantly in about 75 percent of autistic children from age 3 to 11.

Most 4-year-old autistic children cannot string more than two words together.

Some autistic children’s communication and motor skills begin to decelerate between 9 and 18 months — years before the average age of diagnosis.