gamesOnline version social science game by Maria Aguilar vanilla 1 anxiety 2 amygdala 3 acute stress disorcer 4 assessment The central nervous system physiological and emotional response. anxiety The central nervous system physiological and emotional response. amygdala A structure in the brain that plays a key role in emotion and memory. acute stress disorder An anxiety disorder in which fear and related symptoms are experienced. assessment The process of collecting and interpreting relevant information.