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Motivation
Term | Definition |
---|---|
Instinct theories | Motivation theory involving unlearned, uniform, and universal behavioral patterns. Does not work as well for humans |
Sociobiological theories | Motivation theory involving a genetic and evolutionary basis for social behavior in all animals. Difficult to test and can be controversial with stereotyping. |
Homeostasis | Drive theory involving staying the same, with a balance to reduce an internal state of tension - like hunger |
Incentive theory | Theory saying that external goals have a capacity to motivate behavior. Involves expectancy and value of the goal |
Intrinsic motivation | States that motivation is internal, usually from feeling satisfaction or fulfillment. |
Extrinsic motivation | States that motivation is external, usually from rewards or punishments. |
Biological motives | Extrinsic motivator that includes sleep, hunger, temperature, bathroom |
Social motives | Extrinsic motivator that includes achievement, affiliation, play, dominance |
Arousal Theory | Theory that emphasizes urge for optimal level of stimulation |
Overjustification | Rewarding a person for performing a task that a person considers adequately rewarded / worth doing for own's sake. Results in reduction of liking of a task (like getting paid for sport.) |
Lateral hypothalamus | Causes overeating when stimulated, stops eating when lesioned. |
Ventromedial hypothalamus | Stops eating when stimulated, causes overeating when lesioned. |
Paraventricular nucleus | Area of hypothalamus that plays larger role in hunger |
Glucostats | Neurons sensitive to glucose that uptake into cells from blood |
Insulin | This hormone must be present to extract glucose from the blood. If non-diabetics obtain a vaccination of this they get hungry |
Cholecystokinin | Hormone that makes one feel full |
Leptin | Hormone produced by fat cells that causes receptors to inhibit the release of neuropeptide Y - inhibiting eating |
Observational learning | Environmental factor that affects hunger by allowing models to shape eating habits |
Classical conditioning | Environmental factor that affects hunger by associating food with pleasant experiences |
Obesity | Defined as a BMI of above 30 (20% of Americans). Number increasing |
Metabolic rate | How fast one burns off calories. Said to be more genetic than environmental |
Set point | Natural area of stability in body weight - body monitors fat cells. Size of them changes not number. |
Dietary restraint | States that people on diets think of food more, so they eat more and gain more weight. Researched debatable. |
The Thematic Apperception Test (TAT) | A projective test where one looks at a picture and writes a story about it |
Projective tests | Test when subjects respond to vague ambiguous stimuli revealing personal motives and traits |
Affiliation | Need to associate with others and maintain social bonds. |
Achievement | Need to master difficult challenges, outperform others, and maintain high standards. |
Situational factors in achievement | Probability of success (higher the better), and incentive value (the higher the better) |
Cognitive, physiological, behavioral | Aspects of emotion |
Cognitive emotion | Subjective conscious experience of emotion - relies on the subject's verbal response |
Physiological emotion | Actions of autonomic nervous system. |
Limbic system (amygdala and hypothalamus) | Part of body that modulates emotion |
Galvanic skin response | Measures increase in electrical conductivity of skin that occurs when one sweats - good measure of autonomic arousal |
Polygraph machine | Device that measures heart rate, respiration rate, GSR, and blood pressure. Can show change in autonomic arousal when subject is questioned - not necessarily good lying detector |
Fast pathway | Path through the eyes that sends fear signal to amygdala |
Slow pathway | Path that sends fear signal to cortex |
Behavioral emotion | Consists of facial expressions and body language - innate |
Happiness, sadness, anger, fear, surprise, disgust | Six universal emotions |
Facial feedback hypothesis | Facial muscles send signals to brain, which help brain recognize emotion |
Display ruels | Different cultures have different rules regarding expression of emotions |
James-Lange | Theory of emotion that says conscious experience of emotion results from one's perception of autonomic arousal (sweat and pulse races, then must be afraid) |
Cannon Bard | Theory of emotion that says one can't tell the difference between physiological factor and emotion (pulse vs fear / anger / happiness). Two signals - one to autonomic, one to cortex |
Schachter's Two factor theory | Theory of emotion that says people look at the situation to determine what emotion they experience - combination of autonomic arousal and cognitive interpretation. |
Evolutionary theory | Theory of emotion that states that emotions developed for adaptive value (evolved before thought) |