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The Kinks - Apeman Human Emotion Psychology 3131 Professor June Gruber Are Emotions Evolutionarily Evolved? Human Emotion

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The Kinks - Apeman Human Emotion Psychology 3131 Professor June Gruber Are Emotions Evolutionarily Evolved? Human Emotion Human Emotion The Kinks - Apeman Human Emotion Psychology 3131 Professor June Gruber Are emotions evolutionarily evolved? Human Emotion Introduction to Evolution Are we evolved to be emotional? Roadmap CourseCourse LogisticsLogistics Evolutionary Approach Evolution and Emotion Cultural Universality Take-Away Qs & Expert Interview Course Logistics Clicker Starts Today Outreach Project Handout Roadmap Course Logistics EvolutionaryEvolutionary ApproachApproach Evolution and Emotion Cultural Universality Social Constructivism Take-Away Qs & Expert Interview Theories of Emotion Timeline Theories ofEmotion Ancient Greek Enlightenment Darwin William James James-Lange Cannon-Bard Schacter-Singer Lazarus Theories of Emotion Timeline Theories ofEmotion Ancient Greek Enlightenment Darwin William James James-Lange Cannon-Bard Schacter-Singer Lazarus Theories of Emotion Timeline Evolutionary Approach ! Emotions evolutionarily evolved, serve survival purpose Darwin Immediately a bestseller of it’s time (over 5,000 copies) ! 1st Scientific Treatment of Emotion Includes survey data Observations of healthy and mentally ill individuals Personal anecdotes (e.g., grief expressions in Darwin’s own family after death) 1. Darwin’s Three Principles Darwin’s Three Principles I. Principle of Serviceable (“Useful”) Habit Darwin’s Three Principles II. Principle of Antithesis Dacher Keltner- www.wonderfest.org Darwin’s Three Principles III. Principle of Involuntariness (“Nervous discharge”) Darwin’s Three Principles ! Supportive Evidence Example 1 ! Inheritance of Expressions Example 2 ! Instinctive Recognition of Emotion 2. Environment of Evolutionary Adaptedness (EEA) ! Our current emotions are a collection of adaptations ! 2. Environment of Adaptation: “A characteristic that has Evolutionary arisen through and been shaped by natural and or sexual selection. It Adaptedness (EEA) regularly develops in members of the same species because it helped to solve problems of survival and reproduction in the evolutionary ancestry of the organism.” (Williams, 1966) ! Each adaptation has evolved to meet challenges faced in the EEA EEA EEA Properties EEA Properties 1. Vulnerability of Offspring EEA Properties 2. Monogamous Bonds EEA Properties 3. Emergence of Caring and Compassion EEA Properties 4. Flattening of Social Hierarchy EEA Properties 5. Need for Collective Action EEA Properties Summary - Evolutionary Approach Gene Replication Summary - Evolutionary Approach Gene Replication Selection Pressures Summary - Evolutionary Approach Gene Replication Selection Pressures Natural Selection Pressures Summary - Evolutionary Approach Gene Replication Selection Pressures Natural Selection Pressures Sexual Selection Pressures Summary - Evolutionary Approach Gene Replication Selection Pressures Natural Selection Pressures Sexual Selection Pressures Group Selection Pressures Criticisms of Evolutionary Theory Just-So Story Criticisms of Evolutionary Theory Just-So Story “Evolutionary psychologists provide 'just so' stories to explain everything about human behavior, and all without the troublesome need to assemble proof. ...we can run fast because our ancestors had to escape cave bears, got smart because they had to know where the cave bears were, and got sexy because they could rescue cave babes from the cave bears.” ! -Dr. Mezmer’s Guide to Bad Psychology Roadmap Course Logistics Evolutionary Approach EvolutionEvolution andand EmotionEmotion Cultural Universality Take-Away Qs & Expert Interview Evolution & Emotion Tooby & Cosmides Evolution & Emotion Tooby & Cosmides Focused on environment in which people evolved to understand emotional origins - Savannah - Hunter-gatherer - Strong social hierarchy Evolution & Emotion Tooby & Cosmides “[Emotion] is the statistical composite of selection pressures that caused the genes underlying the design of an adaptation to increase in frequency until they became species-typical or stably persistent.” (Tooby & Cosmides, 1990) Evolution & Emotion Tooby & Cosmides Emotions as hard-wired “programs” ! Mind is composed of a variety of modules, or mini “programs” to solve recurring evolutionary issues. Programs are “turned on/triggered” by certain elicitors in our environment. Evolutionary & Emotion Tooby & Cosmides EXAMPLE: FEAR ! “Fear Program” triggered by snake elicitor. Evolution and Emotion Functional Approach FEAR SADNESS DISGUST ANGER HAPPY SURPRISE Fear Fear Recurrent Evolutionary Hearing cues associated with predator Fear Situation This is unsafe Appraisal This is dangerous Don’t attack! Behavior FLIGHT-or-fight reaction Increased blood flow to periphery, Physiology Increased oxygen volume Function Escape predator, Safety, Defend Sadness Recurrent Loss of something valued (person/object/ Evolutionary place) Sadness Situation I need comfort Appraisal I miss that Motor slowing and retardation Behavior Withdrawal Increased heart rate, breathing Physiology Lacrimal glands (tears) Motivated to avoid future loss and change Function circumstances Elicits social support Disgust Recurrent Encounter potential poison or contaminant. Evolutionary Universal elicitors (feces, urine, blood, Disgust Situation vomit, flesh) This is unhealthy Appraisal This is unsafe Repel and distance oneself from Behavior disgust stimuli Characteristic facial expression Physiology Vagus nerve stimulation (digestion) Function Repel substance away from body Anger Recurrent Evolutionary Attempt to attain a goal thwarted or stymied Anger Situation You (or it) are in the way of what I want Appraisal I’m going to attack You are doing something wrong Behavior Flight-or-FIGHT reaction Increased blood flow to periphery, Physiology Increased oxygen volume Confront and eliminate person/thing in way Function of goal or committing wrongdoing Anger Equal for All? Salary ($) 40000 Sadness Anger 33750 27500 21250 15000 Female Adapted from Brescoll & Uhlmann (2008) Happy Recurrent Potential rewards and opportunities are Evolutionary available (e.g., food, mate, resource) Happy Situation I like that/I want that Appraisal I’m friendly Incentive-seeking behavior Behavior Affiliative orientation Increased physiological arousal and/or Physiology Increased vagal tone Motivate energy to acquire and attain Function potential reward, or establish relationship Surprise Recurrent Evolutionary Something unexpected arises Surprise Situation What is that? Appraisal Look over there! Behavior Energy mobilization, attentional focus Increased blood flow to periphery, Physiology Increased oxygen volume Evaluate change in environment, re-adapt Function to new circumstance Jealousy? Please think of a serious committed romantic relationship that you have had in the past, that you currently have, or that you would like to have. Imagine that you discover that the person with whom you‘ve been seriously involved became interested in someone else. What would distress or upset you more: A. Imagining you partner forming a deep emotional attachment to that person. B. Imagining you partner enjoying passionate sexual intercourse with that other person Roadmap Course Logistics Evolutionary Approach Evolution and Emotion CulturalCultural UniversalityUniversality Take-Away Qs & Expert Interview Cultural Universality Example 1 Emotion expressions are evident among the congenitally blind. Eibl-Eibesfeldt (1973) DR. MATSUMOTO: EMOTIONS IN CONGENITALLY BLIND Cultural Universality Paul Ekman Example 2 New Guinea Study Emotion expressions consistent across Westernized and non-Westernized cultures. Paul Ekman New Guinea Study Goal Method Part 1 Examine if Travel to non- Show series of basic emotion Westernized tribe 6 basic emotion expressions in New Guinea. expressions, choose are culturally which emotion word universal. matches picture. Example See Picture Select an emotion from the list Anger Sadness Disgust Happiness Fear Surprise Example See Picture Select an emotion from the list Anger Sadness Disgust Happiness Fear Surprise Paul Ekman New Guinea Study Goal Method Part 1 Part 2 Examine if Travel to non- Show series of basic emotion Westernized tribe Tell6 basic vignettes emotion expressions in New Guinea. andexpressions, ask to pick choose are culturally emotionwhich emotion photo word universal. thatmatches matches picture. story PAUL EKMAN VIDEO: NEW GUINEA STUDY Criticisms of New Guinea Study 1. Language Differences: Translation Problems 2. Provided Emotion Words 3. Forced-Choice Method 4. Caricature-like expressions (naturalistic?) 5. Unfamiliar task (photos) and people (white) Roadmap Course Logistics Evolutionary Approach Evolution and Emotion Cultural Universality Take-AwayTake-Away QsQs && ExpertExpert InterviewInterview Experts ? ! In Emotion *EXTRA CREDIT OPPORTUNITY* Experts In Emotion Interview Dr. Leda Cosmides Dr. John Tooby Professors of Psychology University of California, Santa Barbara Evolution and Emotion Thank You! Psychology 3131 Professor June Gruber [email protected].
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