PSYC 2000 Study Guide - Sensation Seeking, Human Behavior, Homeostasis

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24 Jun 2014
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Motivation- factors that activate, direct, maintain behavior toward a goal. Emotion- subjective feeling that includes arousal, cognitions, and expressions. Instincts- specific, inborn behavior patterns characteristic of an entire species. Critique- na ve-not everybody is trying to be the best person they can be. Intrinsic motivation- desire to perform a behavior that stems from behavior performed (sports, video games) Extrinsic motivation- desire to perform a behavior to obtain an external reward or avoid punishment. More likely to continue to do things you are intrinsically motivated to do. When extrinsic rewards are offered for a behavior, intrinsic motivation and a sense of personal responsibility for behavior are likely to decrease. Metabolism- body transforms food into energy: 2 phases- absorptive and fasting. Influences on hunger: the brain- on switch = lateral hypothalamus; off switch = ventromedial hypothalamus. Electrical stimulation studies: the stomach- physical sensations- cannon and washburn. Washburn fasted, then swallowed a rubber tube to register contractions of stomach.

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