A new autism mouse model carries the same mutation in a gene called ADNP that is seen in autistic people.

Nerve fiber tracts in the brains of autistic girls appear more fragmented than those of typical girls’. Autistic boys’ brains, meanwhile, look like those of typical boys.

The loss of 21 genes on chromosome 3 may substantially raise the risk of autism.

Two new maps show the entire nervous system of the adult roundworm Caenorhabditis elegans.

People on the spectrum, and girls and women in particular, are at high risk of suicide; siblings of autistic people are also at heightened risk.

Autistic women show unusually strong connections, and autistic men unusually weak ones, between two brain regions.

Exposure to inflammation in the womb may affect the brain and behavior of males and females differently.