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  • Thick bridge of nerves may signal autism in infancy
    4 June 2015
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    The bundle of nerves that connects the brain’s two hemispheres is abnormally thick in infants who are later diagnosed with autism. The broader the bundle, called the corpus callosum, the more severe a child’s symptoms.

  • Online atlas unravels gene activity in diverse tissues
    3 June 2015
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    A new resource reveals that gene expression varies more across tissues in one person than it does in the same tissue type among individuals. The findings, described 8 May in Science, indicate that the brain’s gene expression signature is unique.

  • Questions for Maureen Durkin: Understanding autism's rise
    2 June 2015
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    Autism is undoubtedly on the rise, but we may never be able to fully explain why, says Maureen Durkin.


  • Subtle differences separate autism from fragile X syndrome
    2 June 2015
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    The social deficits and repetitive behaviors seen in boys with fragile X syndrome seem to stem from their cognitive difficulties, rather than arising independently as they do in autism.

  • Boys with autism inherit mutations from unaffected mothers
    1 June 2015
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    Rare inherited mutations may contribute to autism in roughly 10 percent of boys with the disorder, according to a study published 11 May in Nature Genetics. These genetic glitches are primarily passed down from unaffected mothers.