New study compares difficulties faced by survivors of life-threatening events
BOSTON — New investigations are beginning to untangle the many reactions that people have to the worst kinds of traumatic experiences, George Bonanno of Columbia University reported on May 28 at the Association for Psychological Science annual convention.
Between 35 percent and 65 percent of people who survive a life-threatening incident or some other distressing event exhibit few or no emotional difficulties over the next two years, Bonanno said. Another 15 percent to 25 percent display psychological problems that gradually get better in that time. Up to 15 percent develop lasting emotional troubles after a delay of several months. And 5 percent to 30 percent immediately develop serious emotional symptoms that don’t improve. Many of these individuals qualify for post-traumatic stress disorder, a psychiatric condition that includes intrusive memories of an ordeal, emotional numbness and startle reactions.
In recent studies, Bonanno and his colleagues note