Brain Chemistry & PTSD

Brain Chemistry Plays Important Role in PTSD 0/01/09. The complex emotional and mental systems that have put humans at the top of the food chain can be a detriment when dealing with extreme stress, Dr. Southwick noted. “Animals rarely experience damage from their own stress response, because animals can turn off their stress response,” he explained. “Humans can become stressed from ideas, from perceptions, thoughts and emotions. This rumination can activate the stress response. And when can this stress response cause the most damage? When the stress is unremitting.” U.S. Medicine