Notes for 10/1

Psychology October 1 A Model of Motivation Need: an internal deficiency (hunger, thirst, sleepiness, pain) Drive: An energized motivational state Response: An action or series of actions Goal: The target of your behavior The strengths of needs, drives, responses can all be different Need?Drive?Response?Goal?Red uced Need Incentives and Motives Incentive: The value we place on a goal over and above its ability to fill our needs?some goals are more desirable than others Primary motive: based on biological needs (survival) Stimulus motives: innate need for stimulation and information Secondary motives: based on learned needs, drives and goals Primary motives and Homeostasis Biological needs are SO critical, filling them becomes second nature Biological drives exist so our bodies maintain homeostasis: steady state of equilibrium Brain Mechanisms Hypothalamus controls many of our motives including hunger, thirst, and sex drive. -receives messages from liver, stomach, brain via our nervous system -receives new messages when we are satiated -Set point: the proportion of fat our bodies naturally maintain Obesity If hunger is controlled biologically, why do people overeat? External cues: food is appealing, visible, easy to get, social People eat for emotion regulation and comfort Eating Disorders Anorexia Nervosa: Self-starvation Bulimia Body Dysmorphic Disorder Stimulus Drives Hull?s Drive theory: internal states of arousal or tension that must be resolved Arousal theory: we maintain a certain level of arousal in order to be comfortable: Balance! Sensation seekers Freud/Psychoanalytic theory