There is considerable evidence that the limbic system of the brain functions abnormally for many people with PTSD.
After experiencing a startling, terrifying, or deadly event, some persons may acquire post-traumatic stress disorder (PTSD). Fear is a normal emotion both during and after a terrible event. Fear causes the body to go through several split-second modifications that aid in defending against or avoiding danger. A protracted traumatic experience or a very stressful, frightful, or upsetting incident can both lead to the development of post-traumatic stress disorder (PTSD). Serious accidents are one example of an occurrence that might trigger PTSD. Abuse, such as physical or sexual assault, domestic or child abuse, etc.
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