When the Boston Marathon bombing occurred, neuroscientists at Harvard University were midway through a study on trauma and the adolescent brain. As a result, they said they were able to make some new scientific links between PTSD and media exposure.
Last April, Professor Katie McLaughlin and her colleagues at Harvard were studying the brains of young people who’d been through serious adversity. They had recruited about 150 children and teens. Half had reported early trauma or stress, and half had not.