Emotion Lecture 5 2010 Evolution

Emotion Lecture 5 2010 Evolution - The Evolution and...

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The Evolution and Function of Emotions Psychology of Emotion Lecture 5 Professor David Pizarro 1 Monday, February 8, 2010
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Final Exam K Exam Period May 18 9:00 - 11:30am. 2 Monday, February 8, 2010
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Causes of Emotion Evolution Biology Individual Development Culture Personality Situation + + + + + 3 Monday, February 8, 2010
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Big question... How much of our emotional experience is a product of Evolution by Natural Selection? 4 Monday, February 8, 2010
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What started it all... 5 Monday, February 8, 2010
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Darwin’s book... Immediately a bestseller (selling over 5,000 copies!!) First serious scientific treatment of the area hundreds of surveys detailed observation of normal people and “imbeciles” even recording grief expressions in his own family after a death 6 Monday, February 8, 2010
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7 Monday, February 8, 2010
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8 Monday, February 8, 2010
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Darwin’s 3 principles of emotion Principle of Habit- animal learns a behavior/ reaction that makes them feel good, they are likely to repeat it in similar situations. (surprisingly “nurture” over “nature”) Principle of Antithesis- An “opposite” situation will lead to an opposite reaction. Principle of Involuntariness- Many reactions are purely physiological and bypass the “will” entirely 9 Monday, February 8, 2010
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Principle of “antithesis”: Threat vs. Submission 10 Monday, February 8, 2010
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Darwin’s 3 principles of emotion First and third (habit/involuntariness) received bulk of attention But especially the claim that emotions are evolved and transmitted. But Darwin’s claim was strangely “Lamarckian,” in that it appealed to the inheritance of acquired characteristics 11 Monday, February 8, 2010
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Darwin’s claims stimulated research on: Cross-cultural similarities in emotion Comparative emotions (i.e, emotion in animals) Facial expression "...the young and the old of widely different races, both with man and animals, express the same state of mind by the same movements." Functional appraisal theories of emotion 12 Monday, February 8, 2010
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We know more: Basic Neo- Darwinian Principles You need an environment to adapt to You need reproduction You need genetic variability Genes that provide a survival advantage more likely to be passed on (dead animals don’t have kids) 13 Monday, February 8, 2010
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So are emotions a result of natural selection?
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