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Unformatted text preview: The physical arousal that occurs with one emotion is, in most ways, indistinguishable from arousal that occurs with another. However, scientists have discovered subtle differences in the brain circuits and hormones associated with different emotions. The right hemisphere becomes more electrically active as people experience negative emotions, such as disgust. The left hemisphere activates when processing positive emotions. Fear and rage are accompanied by differing finger temperatures and hormone secretions. The polygraph measures several physiological indicators of emotion-for example, changes in breathing, pulse rate, blood pressure, and perspiration. Research suggests it errs about one-third of the time, too often to justify its widespread use in business and government. It more often labels the innocent guilty than the guilty innocent. A more honest approach is the guilty knowledge test....
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This note was uploaded on 12/04/2011 for the course PSY 2012 taught by Professor Scheff during the Fall '08 term at Broward College.
- Fall '08