01:830:101 Lecture Notes - Lecture 17: Walter Bradford Cannon, Facial Expression, Startle Response

• School: Rutgers University
• Department: Psychology
• Course: 01:830:101
• Professor: Lawrence Jacobs

Document Summary

Walter cannon and phillip bard questioned the james-lange theory and proposed that an emotion-triggering stimulus and the body"s arousal take place simultaneously (at the same time). The range of emotions: producing facial expressions, facial expression of emotion is much more likely to other people, for example, a voluntary smile, such as the one you put on for a photographer, only utilizes the mouth muscles. A full, spontaneous smile, or duchenne smile, also involves the eye muscles along with the . Most people cannot voluntarily produce a duchenne smile. But people also rely on gestures, changes in expression, and social situation to make more accurate judgments of others" emotions. Hard-to-control facial muscles reveal signs of emotions you may be trying to conceal. A feigned smile may continue for more than 4-5 seconds while a genuine smile will have faded by then.