PSYB64H3 Lecture 10: Week 10 Chapter 14
8 Jul 2016
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Week 10 chapter 14: emotion, reward, aggression, and stress. A physical sensation (rapid heartbeat, sweating, etc) Conscious, subjective experience (a. k. a a feeling, such as feeling scared or happy) Emotions demonstrate valence: generally positive or negative quality. Moods are more general states that last a longer time than emotions. Emotions are difficult to study because they include the range of. Charles darwin study facial expressions produced by humans and primates and argued that emotional expression must have evolved. Emotions contribute to general arousal needed to trigger a response when the brain perceives a situation requiring action. Emotions also manage our approach and withdrawal behaviors relative to particular environmental stimuli. Nonverbal communication: consisting of facial expression and body language, provides an important source of social information. Movement of the human face is controlled by two cranial nerves, the facial nerve (cranial nerve viii) and the trigeminal nerve (cranial nerve v)
