About five years ago, researchers from in Seattle received a special donation: a piece of a live, rare brain tissue. It came from a very deep part of the brain neuroscientists usually can't access. The donated tissue contained a rare and mysterious type of brain cells called von Economo neurons (VENs) that are thought to be linked to social intelligence and several neurological diseases. The tissue was a byproduct of a surgery to remove a brain tumor from a patient in her 60s. The location of the tissue turned out to be in one of the deepest layers of...…About five years ago, researchers from in Seattle received a special donation: a piece of a live, rare brain tissue. It came from a very deep part of the brain neuroscientists usually can't access. The donated tissue contained a rare and mysterious type of brain cells called von Economo neurons (VENs) that are thought to be linked to social intelligence and several neurological diseases. The tissue was a byproduct of a surgery to remove a brain tumor from a patient in her 60s. The location of the tissue turned out to be in one of the deepest layers of...WW…