| http://www.w3.org/ns/prov#value | - The discovery is the latest in a two decades-old scientific quest for the neural basis of familial behavior begun at the NIMH Intramural Research Program in the mid 1980s by now NIMH director Thomas Insel, M.D. By 1993, his team had discovered that the distribution of brain receptors that bind to the hormone vasopressin differed dramatically between monogamous and polygamous vole species and accou
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