Mutations in genes that encode a histone, which gives structure to chromosomes, can lead to developmental delay and congenital anomalies.

Cells with excess UBE3A, an autism-linked protein, have atypical firing properties that can be corrected by limiting the protein’s levels, according to new research.

People and mice with only one working copy of the autism gene SYNGAP1 may have trouble processing sights and sounds.

Autistic people are at an increased risk for intentional self-harm and death by suicide, but co-occurring psychiatric conditions may drive those behaviors.

A new treatment curbs deadly seizures in a mouse model of Dravet syndrome, a severe form of epilepsy.

Autistic people and their families are increasingly experimenting with marijuana to try to ease problems such as insomnia, epilepsy and chronic pain — and traits of autism. But there is little evidence for its safety or effectiveness.

An experimental drug silences a DNA segment and seems to prevent seizures and death in a condition related to autism.

Mutations in both copies of a gene called ACTL6B lead to autism, epilepsy and intellectual disability.

A new method for electroencephalography source localization can noninvasively identify brain networks involved in generating seizures in people with epilepsy.