What part of the nervous system is responsible for the physiological changes associated with emotion?
No. Patterns of activation are not entirely specific. You can”t tell what emotions a person is feeling based off physiological changes. There are only certain emotions that make certain changes in the body.
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When an emotionally arousing event occurs, we have a specific pattern of physiological and behavioral changes, we have an emotion CAUSED BY the changes.Book: The theory that our experience of emotion is our awareness of our physiological responses to emotion-arousing stimuli.Event leads to specific physiological arousal pattern leading to an emotion.The emotion is based on a physiological change. Each emotion has its own pattern.Phenomenon: facial/behavioral feedback. Changing facial expression causes changing emotion. Problems: relies on a poly graph that has nonspecific validity, individual variation, and error rate (excluded or restricted in court).
Emotionally arousing event causes nonspecific physiological arousal I”ll and emotional arousal, but neither causes the other, they go in separate brain paths. Book: The theory that an emotional-arousing stimulus simultaneously triggers physiological responses and the subjective experience of emotion. An event > nonspecific arousal plus emotion (neither causing the other). Different from laying: emotion plus physiological response occur simultaneously, JL says one causes the other, order of events.
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Event leads to nonspecific physiological changes alerting brain that somethings going on, let”s figure out what causes arousal and produce emotions.Event leads to nonspecific emotional arousal leading to cognitive interpretation of situation and arousal leading to an emotional response. Book: to experience emotion one must be physically aroused and cognitively label the arousal.Spillover effect/transferred excitation: arousal from one situation intensifies emotion associated with another situation. Crowding increases arousal.
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What is a polygraph? What does it measure? What are the problems associated with it? How accurate is it? How is it most likely to err?
Poly graph: measures autonomic activity (blood pressure, breathing rate, heart rate). Problems: not valid because just physiological arousal is detected, it can”t distinguish between lying, fear, anxiety, etc. There is no pattern specifically to measure lying. People can learn to control their autonomic response. It is also wrong approximately one third of the time. It is more likely to label innocent as guilty than guilty as innocent.
