PSYA02H3 Chapter Notes - Chapter 13: Bulimia Nervosa, Anorexia Nervosa, Motivation

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4 May 2011
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PSYA02H3 Full Course Notes
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PSYA02H3 Full Course Notes
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motivation: a general term for a group of phenomena that affect the nature, strength, and persistence of an individual"s behavior. we behave in a particular way to get something or to avoid something. motivation is proactive (forward-looking); similar to concepts of reinforcements. motivation can also be reactive (in response to conditions present at the time) regulatory behavior: a behavior that tends to bring physiological conditions back to normal, thus restoring the condition of homeostasis: i. e. eating, drinking, hunting, shivering, building a fire, and putting on a warm coat. homeostasis: process by which important physiological characteristics (such as body temperature and blood pressure) are regulated so that they remain at their optimum level. regulatory systems have 4 essential features: system variable: variable controlled by a regulatory mechanism. I. e. temperature in a heating system: set point: optimum value of the system variable in a regulatory mechanism.

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