Researchers are working on ways to edit memories — to make the intolerable bearable — by, say, blocking the synaptic changes needed for a memory to solidify ============================================================== The 60 souls that signed on for Dr. Alain Brunet’s memory manipulation study were united by something they would rather not remember. The trauma of betrayal. For some, it was infidelity and for others, a brutal, unanticipated abandonment. “It was like, ‘I’m leaving you. Goodbye,” the McGill University associate professor of psychiatry says. In cold, clinical terms, his patients were suffering from an “adjustment disorder” due to the termination (not of their...