How many cell types does the brain contain? Two new mouse studies bring scientists closer to the answer.

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

Boosting the levels of the chemical messenger serotonin makes mice that model autism more social — and brings new hope to a shelved theory in autism.

Seizures early in life may render brain circuits incapable of supporting learning during critical developmental periods.

A miniature particle delivers the gene-editing tool CRISPR into the brains of fragile X mice.

Four new techniques expand the repertoire of the gene editor CRISPR.

Autism and intelligence share genetic variants, researchers grow Neanderthal mini-brains and see overlap with autism, and maternal diabetes is an autism risk factor.