Nearly 40 percent of people with Down syndrome also meet the criteria for an autism spectrum disorder, suggests a U.K. study of nearly 500 children, published in Autism Research.
Spectrum: Autism Research News
There are no available medications for treating autism’s core symptoms, but there are several candidates in clinical trials. Jeremy Veenstra-VanderWeele describes the factors researchers must take into account when developing drugs for the disorder.
People with autism react to stimuli at an uneven pace, sometimes responding rapidly and sometimes after a lag, but only when the group does not exclude the subset of individuals who also have attention deficit hyperactivity disorder, according to a meta-analysis published 13 March in the Journal of Child Psychology and Psychiatry.
Roughly one-third of children with fragile X syndrome also have an autism diagnosis. Studies published in the past few months, however, suggest that the set of autism-like symptoms seen in people with fragile X syndrome may only resemble autism superficially.
Risperidone, the first drug approved for children with autism and the most widely used, improves some children’s behavior but can have severe side effects, suggests an informal analysis of the drug’s use.
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.
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.