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MOTIVATION
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The factors that direct and energize the behavior of humans and other organisms
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DRIVE REDUCTION THEORY
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Theories suggesting that a lack of a basic biological requirement such as water produces a drive to obtain that requirement (in this case, the thirst drive)
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HOMEOSTASIS
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The body's tendency to maintain a steady internal state.
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INCENTIVE THEORY OF MOTIVATION
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Theories suggesting that motivation stems from the desire to obtain valued external goals or incentives
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AROUSAL APPROACH TO MOTIVATION
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The belief that we try to maintain certain levels of stimulation and activity, increasing or reducing them as necessary
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INTRINSIC MOTIVATION
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causes us to participate in an activity for our own enjoyment rather than for any concrete, tangible reward that it will bring us.
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EXTRINSIC MOTIVATION
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causes us to do something to obtain money, a grade or some other concrete tangible reward.
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MASLOW'S HIERARCHY OF NEEDS & THEIR ORDER
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SELF ACTUALIZATION
ESTEEM
LOVE AND BELONGINGNESS
SAFETY NEEDS
PHYSIOLOGICAL NEEDS
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OBESITY
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Body weight that is more than 20% above the average weight for a person of a particular height.
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HUNGER & BLOOD GLUCOSE
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Changes in levels of glucose, a kind of sugar, regulate feelings of hunger.
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HYPOTHALAMUS
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Primarily responsible for monitoring food intake
Lateral hypothalamus: If damaged may literally starve to death
Ventromedial hypothalamus: extreme overeating
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METABOLIC RATE
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The rate at which food is converted to energy and expanded by the body
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ROLE OF LEPTIN
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Which appears to be designed from an evolutionary standpoint to "protect" the body against weight loss. The body's weight-regulation system thus appears to be designed mroe to protect against losing weight than to protect against gaining it. Therefore, it's easier to gain weight than to lose it.
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ANOREXIA NERVOSA
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A severe eating disorder in which people may refuse to eat while denying that their behavior and appearance- which can become skeleton-like-are unusual
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BULIMIA
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A disorder in which a person binges on large quantities of food, followed by efforts to purge the food through vomiting or other means.
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