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This was a very genetics-centric week because of two exciting new publications that focused on genetic risk factors. In the first, Dr. William Brandler at UCSD demonstrates that mutations in autism risk genes come in all sorts of different forms, but they must be in the right genes to lead to a diagnosis. Just having different mutations is not enough. Also, in an intriguing analysis led by Dr. Elise Robinson at the Broad Institute (and also summarized on SpectrumNews), she looked at these autism risk genes in people without autism and found that we all have them. Reiterating what Dr. Brandler found, she showed that the spectrum of autism genetics may be broader than the spectrum of an autism diagnosis. It may explain symptoms of autism without a diagnosis in family members as well.