PSYC 107 1st Edition Lecture 25 Hunger and Theories of Emotion and Behavior Outline of Last Lecture I Emotions a Transitory Valence Distracts Elicits action tendency Passions usually without will i James Lange theory ii Cannon Bard theory iii Schacter Singer theory II Stress a Stress reactions b Psychological Stressors III General Adaptation Syndrome i Alarm Resistance Exhaustion ii Sex differences IV Cognitive stress responses a Ruminative thinking b Catastrophizing a Mediators Outline of Current Lecture I Emotional and Behavioral Theories a Drive reduction theory b Arousal theory i People are motivated to behave in ways to maintain their optimal level of arousal c Incentive Theory i People act to attain positive incentives and to avoid negative ones d Goal Setting Theory i People strive to attain goals II Hunger a General state of wanting to eat i Satiety b Sensory specific satiety Lecture 25 Notes I Emotional and Behavioral Theories a Drive reduction theory i Homeostasis tendency for organisms to keep physiological systems at equilibrium ii If out of balance need is created iii Drive psychological feeling of arousal that prompts an organism to take action 1 Something happens then an unbalanced equilibrium then a need then a psychological drive then an action then back to equilibrium b Arousal theory i People are motivated to behave in ways to maintain their optimal level of arousal ii This is not sexual arousal this is simply a need based response to something in the environment 1 Yerkes Dodson law a Optimal arousal enhances performance b Other levels of arousal hinder performance i We act out of the need to attain a goal and avoid situations that are negative c Incentive Theory i People act to attain positive incentives and to avoid negative ones ii Environmental external stimuli can motivate behavior d Goal Setting Theory i People strive to attain goals 1 Characteristics of good goals i Clear ii Specific iii Measurable iv Challenging but not overly difficult impossible II Hunger a General state of wanting to eat i Satiety 1 The opposite of hunger 2 General state of no longer wanting to eat ii Stomach signals usually only when extremes a Ventromedial nucleus of hypothalamus b Lateral hypothalamus b Sensory specific satiety
View Full Document
Unlocking...