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  • Study charts epigenetic landscape of autism brains
    5 December 2011
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    In the brains of some individuals with autism, chemical changes to histones, proteins entwined with DNA, tend to show up near genes linked to the disorder, according to a study published 7 November in the Archives of General Psychiatry.

  • Tuberous sclerosis, fragile X may be molecular opposites
    1 December 2011
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    Some forms of autism are caused by too many proteins at the synapse, the junction between neurons, whereas other forms result from too few, according to a study published 23 November in Nature.

  • Mouse models point to early troubles in tuberous sclerosis
    28 November 2011
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    The brain abnormalities characteristic of tuberous sclerosis may begin early in development and involve malfunctioning of neuronal precursors, according to studies of two different mouse models of the disorder published in October.

  • Motor problems key feature of autism, family study suggests
    21 November 2011
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    In families that have at least one child with autism, significant motor impairments crop up in most children with the disorder and hardly any of their unaffected siblings, according to a study published 19 October in Autism.

  • Autism brains have too many neurons, study suggests
    10 November 2011
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    Children with autism have an abnormally large number of neurons in the prefrontal cortex, a brain region important for abstract thinking, planning and social behaviors, according to a study published yesterday in the Journal of the American Medical Association.