PSY 236 Lecture Notes - Lecture 12: Social Animal, Extraversion And Introversion, Reward System
Document Summary
Warmth, gregariousness, positive emotions, assertiveness, activity, excitement seeking. Emotions/expressions = the major currency of our transactions with others in the world. Seen in how we present ourselves to others. High/low extraversion does not equate low/high negative emotionality. Extraversion properties connoting drive and social dominance. Extraversion properties connoting sociability and positive interpersonal experiences. Candidate genes - no evidence of specific genes associated with extraversion. Behavioral activation system (bas): the reward system that regulates approach behavior (linked with wanting) Rich in dopamine receptors, triggered by the presence/probability of reward. Linked to emotions of hope and relief, approach behavior. The opioid system: brain system associated with experiencing pleasure and pain reduction (linked with liking) Associated with warmth and positive emotion facets. Heritable differences in the reactivity of these systems. Creating more positive social environment for others. Better on speeded tasks; worse on accuracy. Less depression and anxiety and personality disorders.
