A newly discovered spontaneous mutation, described 27 August in Molecular Psychiatry, links autism to changes in the regulation of the chemical messenger dopamine.
Spectrum: Autism Research News
Low levels of a thyroid hormone during pregnancy raise the risk of autism-like symptoms in the child by fourfold, according to a study published 13 August in Annals of Neurology.
Clinicians should place children under age 5 who have developmental delay into a broad diagnostic category, called ESSENCE, which may then resolve into any number of individual diagnoses over time, says Christopher Gillberg.
More of the common variants implicated in schizophrenia are also linked to bipolar disorder than to autism, according to a study published 28 August in Nature Genetics.
As much as 30 percent of children diagnosed with bipolar disorder may also have autism, suggests a study published in the June issue of the Journal of Clinical Psychiatry.
Children who meet the criteria for both autism and attention deficit hyperactivity disorder have more severe behavioral problems than do children with either disorder alone, according to three studies published in the past few months.