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9 Cards in this Set
- Front
- Back
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motivation
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a need or desire that energizes and directs behavior
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instinct
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a complex behavior that is rigidly patterned throughout a species and is unlearned
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drive-reduction theory
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the idea that a physiological need creates an aroused tension state (a drive) that motivates an organism to satisfy the need
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homeostasis
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a tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
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incentive
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a positive or negative environmental stimulus that motivates behavior
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hierarchy of needs
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Maslow's pyramid of human needs, beginning at the base with physiological needs that must first be satisfied before higher-level safety needs and then psychological needs become active
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glucose
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the form of sugar that circulates in the blood and provides the major source of energy for body tissues; when its level is low, hunger is felt
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set point
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the point at which an individual's "weight thermostat" is supposedly set; when the body falls below this weight, an increase in hunger and a lowered metabolic rate may act to restore the lost weight
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basal metabolic rate
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the body's resting rate of energy expenditure
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