Text from youtube "Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts that interfere with everyday life.
Joelle Rabow Maletis details the science behind post-traumatic stress disorder, or PTSD. Lesson by Joelle Rabow Maletis, directed by Tomás Pichardo-Espaillat.
Note: TED-Ed Hi everyone, it looks like we made a mistake. Our apologies! Please note that the fight-or-flight response is characteristic of the sympathetic, not the parasympathetic functioning of the autonomic nervous system. Thanks to those of you who also flagged the error. We're working on updating the video.
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