A fascinating new article by Virginia Hughes in Nature explores the most recent discoveries that neuroscientists have made about the mechanisms that cause post-traumatic stress disorder, or PTSD. The story focuses in part on the story of one woman, a psychotherapist who was raped and then thrown off a bridge, and how she's recovered from PTSD in decades since. Her tale provides the backdrop for what we now know about how our brains are reshaped during traumatic events.