Post-Traumatic Stress Disorder is a disorder that can emerge after an extremely detrimental event like a natural disaster, being in the military, or death of a loved one. It is natural for a person to grieve or to be in a state of shock after an event like the ones listed above, but if a person continuously shows negative psychological reactions days or months later then the person should be checked for PTSD (Chen, Zhou, Zeng, Wu). Natural disasters are inevitable and generally unexpected, so a person does not have time to prepare. Lack of preparation can be absolutely dreadful. Unlike a natural disaster, servicemen prepare for war, but the actual battle field is a lot different from the practices and organized society the servicemen are used to, so this experience can have some effects on the brain. Death of a loved one can cause Post-Traumatic Stress Disorder because it is for someone to live without a person who used to be very frequent …show more content…
The adrenaline rush will then go on to stimulate the amygdala (“Not”). In the article, “Effects of Tetrahydroplamatine on Post-Traumatic Stress Disorder Induced Changes in Rat Brain Gene Expression”, T.E. Ceremuga, P. Shellabarger, T. Persson, M. Fanning, P. Galey, D. Robinson, S. Bertson, G.A. Ceremuga, and M. Bentley mention how Post-Traumatic Stress Disorder occurs because of “structural and functional changes in the brain”. This important because the brain is the center of human sensation and intellectual activity which explains why Post-Traumatic Stress is highly apparent in a person. The structural and functional changes mostly deal with the hippocampus because it is associated with memory and the amygdala because it is associated with fear and anxiety (Ceremuga, Shellabarger, Persson, Fanning, Galey, Robinson, Bertson,