David and Bernardo Sabatini, brothers born just a year and a half year apart, invent their way to answering big questions about autism.

Deleting one copy of a gene called MVP impairs the brain's ability to adapt to changes in the environment.

Male mice with a genetic variant tied to autism may have learning difficulties that females with the variant do not.

Researchers have used transcranial magnetic stimulation to show that people with fragile X syndrome have weak ‘inhibitory’ signals, those that dampen neuronal activity in the brain.

RNA segments that control when and where genes are expressed may be involved in autism.