Treating mice missing the autism-linked gene CNTNAP2 with a strain of gut bacteria makes them more social but no less hyperactive.

Genetic variants that contribute to autism may also be involved in attention deficit hyperactivity disorder and Tourette syndrome, according to a new study.

Consuming Lactobacillus reuteri, a gut microbe found in yogurt and breast milk, may enhance social interactions in three mouse models of autism.

An electrical brain implant all but erased the obsessions that had consumed Becky Audette, years after her autism diagnosis. Could similar implants help other people with severe autism?

Exposure to certain types of light at night may exacerbate sleep issues among people with autism.

Mice missing any of 11 genes involved in the immune response show differences in brain anatomy that track with anxiety.

Drugs that block certain brain enzymes could help treat two conditions associated with autism.

A cannabis gel may ease features of fragile X syndrome, omega fatty acids show promise for autism in two trials, and oxytocin reinforces social behaviors through the brain’s reward pathway.

Transcranial treatment may bolster memory in adults with autism, inflammatory molecule may alter an emotional brain region in newborns, and examining ants could yield insights into autism

Removing the Rett syndrome gene, MeCP2, from distinct cells and brain regions reveals hidden features of the condition.