Certain patterns of genetic activity appear to be common among five distinct psychiatric disorders – autism, schizophrenia, bipolar disorder, depression and alcoholism – according to a new study. The paper, appearing in the journal Science, was released Thursday.Scientists analyzed data from 700 human brains, all donated either from patients who suffered one of these major psychiatric disorders or from people who had not been diagnosed with mental illness. They found similar levels of particular molecules in the brains of people with autism, schizophrenia and bipolar disorder; other commonalities between bipolar and major depression; and other matches between major depression and alcoholism.”We’re on the threshold to using genomics and molecular technology to look at mental illness in a way we’ve never been able to do before,” said Daniel Geschwind, a neurogeneticist at the University of California at Los Angeles and a leader of the study. “Psychiatric disorders have no obvious pathology in the brain, but now we have the genomic tools to ask what actually goes awry in these brains.”

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