Emergency Plane Landing Yields PTSD CluesLiveScience.com
By Laura Geggel, Staff Writer 13 hours ago
Interviews with the survivors of a 2001 emergency plane landing are helping researchers understand how certain memories may increase the risk for post-traumatic stress disorder (PTSD), a new study finds.
The study's lead researcher has firsthand knowledge of the calamity. Margaret McKinnon, an associate professor of psychiatry at McMaster University in Ontario, Canada, was on her honeymoon when Air Transat Flight 236, en route from Toronto to Lisbon, Portugal, ran out of fuel over the Atlantic.
A nightmarish scene unfolded over the next 30 minutes. The pilots asked the passengers to put on their life vests, the cabin depressurized and McKinnon put on her oxygen mask, she told Live Science.
But the pilots spotted a runway on a Portuguese island, and were able to glide the plane down for a rough landing. McKinnon slid down the emergency slide while the roof of the plane burned. Everyone on the plane survived the accident.
"I was very grateful to have survived and also very confused because I wanted to know what happened and why it had happened," McKinnon said.
Now, she is using the event to learn more about PTSD, a condition that causes people to feel reoccurring fear or stress after a traumatic event. She and her colleagues recruited 15 passengers from Air Transat Flight 236, including six who had been diagnosed with PTSD, and a control group of 15 people from the public to examine how memories of traumatic events are related to PTSD, according to their report, published today (Aug. 13) in the journal Clinical Psychological Science.
In interviews, the passengers related their memories about the flight, along with their memories of the terrorist attacks of Sept. 11, 2001, and a neutral event, such as a family dinner. The people in the control group talked about an event that was troubling to them, such as a breakup, in lieu of the emergency landing.
The passengers recalled vivid memories of the emergency landing, such as what they were feeling and details about the person sitting next to them, the researchers found. This finding contrasts with previous research that had suggested that people with PTSD don't remember trauma well, McKinnon said.
The vividness of people's memory did not predict their PTSD risk, but the types of memories that people had were associated with their PTSD risk, the researchers found. People diagnosed with PTSD tended to remember more general details about each event they discussed, including memories from their lives not related to the episode, memories that were not time specific and editorialized statements such as "It was horrible," than the passengers and other people without PTSD did.
Remembering general details about these events may increase the risk for developing PTSD after a traumatic event, the study found.
"What our findings show is that it is not what happened, but to whom it happened that may determine the subsequent onset of PTSD," Brian Levine, the study's principal investigator and a professor of psychology at the University of Toronto, said in a statement.
The study, however, was small, and not generalizable across different types of trauma, such as sexual abuse or fighting in battle, the researchers said.
http://news.yahoo.com/emergency-plane-landing-yields-ptsd-clues-001849271.html
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