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E. The Psychological Impact of 9/11 Still Lingers

Narrator: This is Science Today. It's been over a year, but the national, psychological impact of September 11th is still lingering - and not just in New York City. A University of California, Irvine study found that six months after the attacks, six percent of the population outside of New York reported symptoms of posttraumatic stress disorder. Psychologist Roxane Cohen Silver, led the study.

Cohen Silver: It is important for us to recognize that people did not have to be directly exposed to the trauma to maybe have some kind of psychological response to it.

Narrator: The study also found that those who tended to 'give up' or disengage, were more likely to be distressed.

Cohen Silver: The more traumas you had had in your life, the more likely you were to disengage. But, it wasn't as simple as that because some people disengaged who had not have prior trauma. What really seems to help us understand who would remain distressed were the early strategies that people used to cope with the trauma.

Narrator: For Science Today, Larissa Branin.