The investigational drug arbaclofen may right an imbalance between inhibitory and excitatory signaling in the animals’ brains.

People who experience an autism-specific form of anxiety also tend to have an unusually small amygdala, a brain region associated with emotion processing and fear, according to a new unpublished study.

A drug that prevents an enzyme from breaking down a key molecule involved in learning and memory improved cognition and behavior in a small study of men with fragile X syndrome.

Anyone who uses multiple animals from a small number of litters to increase sample size is making a serious mistake. The similarities within individual litters will heavily skew the results.

Deleting the autism-linked gene CHD8 from specific cells in the cerebellum, a brain region important for movement, leads to motor deficits but does not alter social behaviors in mice.

A mobile phone app that tracks a toddler’s gaze as she watches short videos can distinguish between children who later receive an autism diagnosis and those who do not according to a new study.

Applied behavior analysis is the most widely used therapy for autistic children in the United States, but some regions lack the staff needed to provide it.

The coronavirus pandemic forced researchers and clinicians to find new ways to assess children for autism — many of which will almost certainly endure.

Fruit flies with low expression of a gene linked to neurodevelopment have disrupted sleep, poor memory and altered social behavior.

Too little — or too much — of certain substances during pregnancy may increase the odds of having a child with autism. Here we explain what scientists know about these associations.