PSYB64H3 Study Guide - Facial Feedback Hypothesis, Electrodermal Activity, Facial Nerve
9 Aug 2013
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Lecture 10: emotion, aggression, and stress (chapter 14) Emotions: theories of emotion, biological correlates of emotion. Aggression: genetics and aggression, brain structures and aggression, biochemistry and aggression. Stress: physical and psychological responses to stress, stress, the immune system, and health. Include range of: observable behaviours, expressed feelings, changes in body states. The evolution of emotion: adaptive advantage of emotions for our ancestors, contributing to general arousal, manage approach and withdrawal behaviors, help us communicate nonverbally. Viewing full body expressions of fear (a), compared to neutral (b) and happy (c) Body postures, produced strong, immediate activity in brain areas associated with the processing of fearful stimuli and the preparation of responses such as flight. Fearful postures, therefore, are likely to have had significant survival benefits to humans because the need to flee could be communicated rapidly to others without verbal explanation. Facial nerve (cranial nerve vii) and trigeminal nerve (cranial nerve v)
