Amygdala Rhetorical Analysis

290 Words2 Pages
Some reactions are universal because of our autonomic nervous system. Our autonomic nervous system (ANS) has two divisions. The sympathetic activates the body, while the parasympathetic calms and relaxes the body. A lie detector does not really detect lies, rather it records changes in heart rate, blood pressure, breathing, and galvanic skin responses with many writings (polygraph). The amygdala is a part in the limbic system that produces fear. People with damaged amygdala’s may be blind to emotion and are unable to read understand other people’s emotional expressions. Basic facial expressions appear fairly universal such as, angry, sad, happy, scheming, and neutral. In other cultures, around the world, different emotions are more or less