Biological Basis of Fear         Abstract With the recent terrorist attacks on American soil, many individuals are physiologically responding in a similar fearful way. Many Americans have been impacted by the events of September 11, 2001, and the incidents of postal terrorism with anthrax following the attack. Some individuals are having difficulty coping with the tragedy, especially those who were directly impacted or who witnessed the incidents (Schuster, et al., 2001). What causes humans' tendency to respond in this …showed first 75 words of 3264 total…

…showed last 75 words of 3264 total…p. 24.                  Schuster, M.A., Stein, B.D., Jaycox, L.H., Collins, R.L. (November 15, 2001). A national survey of stress reactions after the September 11, 2001, terrorist attacks. The New England journal of medicine, 345(20), p. 1507-1512.                                    Shalev, A.Y. (2001). What is posttraumatic stress disorder? The journal of clinical psychiatry, 62, p. 4.                  United States: Anthrax isn't contagious; Anxiety is; The home front.(October 20, 2001). The Economist, 361, P. 29-30.                  Yehuda, R. (2001). Biology of posttraumatic stress disorder. The journal of clinical psychiatry, 62, p. 41.