Psychology 1000 Chapter Notes - Chapter 11: Facial Expression, Sympathetic Nervous System, Lie Detection

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Theories of motivation: basic theories of motivation. Doing something for the sake of doing it. Doing something for some sort of gain or reward: concepts of drive and drive reduction. Psychological disruptions to homeostasis produce drives: things that motivate an organism in a way to reduce tension, drives include hunger or thirst, reducing drives is the ultimate goal of motivated behavior. Performing an activity for its own sake: maslow"s hierarchy. Competence: human need to master new challenges and skills. Autonomy: satisfaction when seeing people experience their actions as a result of free choice. Relatedness: desire to form meaningful bonds with one another. Signals from our body combine and cause people to end their meal. Cck is a chemical released in the bloodstream when food arrives in stomach, decreasing eating by attaching to receptors in brain. Periventricular nucleus, cluster of neurons packed with receptor sites that stimulate/reduce appetite: metabolism. Filled with receptors to stimulate or suppress hunger: psychological factors.