Take a look back at 2017’s most notable papers and memorable quotes.

Many people with autism have trouble falling asleep, or wake up too early or for extended periods during the night.

Researchers are devising better ways to detect and treat the anxiety that can accompany autism.

Studies of infants at risk for autism have not yielded a test to predict who will eventually be diagnosed. But they have transformed our understanding of the condition.

The loss of abilities that besets some toddlers with autism is probably less sudden and more common than anyone thought.

In the past 10 years, scientists have identified some 65 genes tied to autism, and the list continues to grow. Many of these genes play key roles in the brain.

Most of the conversation about autism — whether about services or science — concerns children with the condition. But what happens when children with autism grow up?

Different regions of the brain contribute uniquely to autism’s impact on cognition, emotion and behavior.

Clinical trials for autism drugs have been plagued with problems: bad design, the wrong measures, too broad a range of participants. All that is finally starting to change.

Take a look back at 2016’s most notable papers and memorable quotes.