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Psychology 1015B
Psycology as a Science
| Term | Definition |
|---|---|
| Motivation | Internal processes that activate, guide and maintain behavior over time What drives us to behave in certain ways Is a process that influences the direction, persistence and vigor of goal-directed behavior |
| Instinct Theory | Innate tendencies (cause us to behave certain ways) |
| Drive Theory | Biological needs create drive that ''pushes'' behavior to reduce drive (homeostasis) |
| Expectancy Theory | Behavior is ''pulled'' be expectations of rewards/incentives |
| Homeostasis | A state of internal physiological equilibrium that the body strives to maintain |
| Self-determination Theory | Competence, Autonomy and Relatedness |
| Competence | When we feel competent, we feel capable; reflects a human need to master new challenges and perfect skills |
| Autonomy | We make decisions for ourselves; self determination, is satisfied when people experience their actions as a result of free choice without outside interference |
| Relatedness | Our desire for a meaningful bond with others |
| Stomach Pangs (hungry) / Distention (full) | Basic motivation. Signals to feel hunger and to stop eating. |
| Glucose Levels | Drop and rise glucose levels alerts the body when you are hungry |
| Peptides (CCK/Ghrelin) | CCK is released when food arrives in the intestine. Animals given CCK stop eating or eat less. Ghrelin increases levels of hunger. CCK decreases levels of hunger. |
| Hormones (Leptin) | Gain fat -> secrete more leptin -> eat less because we feel full sooner (“plenty of fat tissue, it’s time to eat less” Lose fat -> less leptin -> eat more to feel full |
| Cognitive Factors of Eating Disorders | Maladaptive beliefs (control is a dominant theme) Distorted body perceptions (they do not see themselves as others do, they see themselves as fat, ugly or unwanted) |
| Anorexia | Perfectionist, high achievers, parents often set high goals Starves themselves Weighs less than 85% of what is expected for age/height Report feeling fat, even when very thin Obsessive, need for control |
| Bulimia | Depressed and anxious Impulsive, overly sensitive, low self-esteem Diet-binge-purge disorder Vomits, misuses laxatives, exercises, or fasts to get of calories Weight either normal or close to it |
Created by:
Jantal2
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