quarta-feira, 17 de setembro de 2014

Roots of language troubles, autism traits may diverge

Nicholette Zeliadt
15 September 2014
The genetic and environmental factors that underlie difficulties with language differ from those that influence other autism traits, according to a new study of more than 3,000 twin pairs. The study, published 2 August in the American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, suggests that difficulty with language is not a core symptom of autism1.
The core symptoms of autism are impaired social and communication abilities, and repetitive and restricted behaviorsand interests. Until 2013, the diagnostic criteria for autism included a third category: language problems. In support of this, a few studies have identified genetic variants that link language impairments to autism.
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