Children with autism are more likely to have both sleep problems and constipation than would be expected based on the prevalence of each of those conditions.

Children who have a rare extra copy of one segment on chromosome 15 have better cognitive abilities and daily living skills than those with a duplication that forms an extra chromosome.

The latest manual of international disease codes is out, a franchise claims to have an autism cure, and two reports diverge on the validity of the social-motivation hypothesis.

People with mutations in SHANK3 have milder features than do those missing a chunk of DNA that includes the gene.

Harmful mutations in a gene called NAA15 may lead to autism, intellectual disability and delayed speech and motor function.

A widely used test for autism misses some children with delays in motor, social and communication skills.

A researcher proposes splitting autism into subtypes, mitochondria make neurotransmitters, and highly successful grantees may face a funding cap.

Children with autism who speak few words and have trouble manipulating objects tend to remain minimally verbal as they reach adulthood.