Among the younger siblings of children with autism who do not have the disorder themselves, more than one-quarter show developmental delays at their first birthday, according to a study published in April.
Spectrum: Autism Research News
Children of women who have attention deficit hyperactivity disorder are at increased risk for autism and attention deficit, according to a study published 21 January in the Journal of Child Psychology and Psychiatry. This suggests the two diseases have common risk factors.
Children with autism who have constipation are often also plagued by compulsive or repetitive behaviors, a core feature of autism, finds a study published 29 November in the Journal of Autism and Developmental Disorders.
Intelligence quotients of toddlers with autism closely predict how they will fare as adults, reports a 17-year study published 9 December in the Journal of Child Psychology and Psychiatry.
Mice with a duplication of SHANK3, a gene with strong links to autism, are hyperactive and manic, reports a study published 7 November in Nature.
Lithium and other drugs that inhibit a key enzyme called GSK-3 reverse cognitive deficits in a mouse model of fragile X syndrome, according to a pair of studies published in August and September.
A newly discovered spontaneous mutation, described 27 August in Molecular Psychiatry, links autism to changes in the regulation of the chemical messenger dopamine.
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.