PSY 103 Lecture Notes - Lecture 10: Leptin, Psy, Dieting
16 Jan 2017
School
Department
Course
Professor
Document Summary
Motivation: all the processes involved in starting, directing, and maintaining physical and psychological activities. Instinct: preprogrammed (inborn) tendencies that are essential for the survival of a species. The hawthorne effect : when knowledge that one is being observed and in an experiment, by itself, results in dramatic changes in behavior. Maslow"s hierarchy of needs: begins at the base with physiological needs that must first be satisfied then higher-level safety needs become active then psychological needs become active. Motivation-hunger: stomach contractions accompany our feelings of hunger, the hypothalamus controls eating and other body maintenance functions, detects levels of sugar, fat, free fatty acids and insulin in the blood, predisposal to obesity: genetic evidence. Psychological influences on eating: culture, dieting and restrained eating, eating disorders. Restrained & unrestrained eaters: restrained and unrestrained eaters were led to believe that they had consumed a slice of pizza that was smaller or larger than the slices offered to other participants.
