CAS PS 101 Study Guide - Midterm Guide: Cholecystokinin

• School: Boston University
• Department: Psychological & Brain Sciences
• Course: CAS PS 101
• Professor: Tracy Dunne

Document Summary

Psychology exam 3 notes: what is motivation, process that influences the direction, persistence, and vigor of goal directed behavior, drive reduction theory of motivation (hull, 1943, physiological disruptions to homeostasis produce drives, drives motivate behaviors to reduce tension. Intrinsic motivation: performing an activity for its own sake, psychodynamic view, unconscious motives affect how we behave, freud emphasized sexual and aggressive motives, many modern theorists emphasize motives for self esteem and social belonging, humanistic views, striving for personal growth. Self actualization: signals that end a meal, stomach and intestinal digestion, cholecystokinin (cck) and other peptide released by small intestines to blood stream, signals that regulate general appetite and weight, leptin hormone secreted by fat cells.