The Brain

A novel implant that delivers complex combinations of drugs and light to mouse brains may uncover the pathways that underlie repetitive behaviors in autistic people.

Deleting the mutation from an autism gene may reverse some autism traits in mice, according to a new study. But the results may be a fluke.

Certain patterns of electrical activity in the brain may signal autism in children with tuberous sclerosis complex, a related genetic condition.

An online resource reveals all major cell types in the developing human brain during the period in which autism is thought to arise.

Heart-rate patterns and changes in pupil size may herald Rett syndrome, autism or related conditions.

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.

Sleeping zebrafish show two patterns of neuronal activity that are analogous to those in people.

An experimental leukemia drug and a chemical in black pepper ease breathing and movement problems in a mouse model of Rett syndrome.

Problems with protein-filled parcels called exosomes may contribute to Rett syndrome, a condition related to autism.

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