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| a need or desire that energizes and directs behavior |
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| a complex behavior that is rigidly patterned throughout a species and is unlearned |
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| the idea that a physiological need creates an aroused state that motivates an organism to satisfy the need. Example: the need for food drives hunger so a drive-reducing behavior would be eating |
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| the maintenance of a steady internal state |
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| a positive or negative environmental stimulus that motivates behavior |
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| Maslow's pyramid of human needs, at the bottom is the most important like the need to satisfy hunger and as you go to the top you reach the less important needs like self-transcendence |
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| the form of sugar that circulates in the blood and provides the major source of energy for body tissues. we feel hunger when glucose is low. |
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| the point at which an individual's 'weight thermostat' is supposedly set. below the set point: increases hunger, a lower metabolism rate may restore the weight |
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| the body's resting rate of energy expediture |
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| person diets and becomes very underweight, but still feels fat and continues to starve themselves. |
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| binge-eating of high calorie food followed by extreme exercise, laxatives, fasting, or vomiting |
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| binge eating episodes followed by guilt, distress, or disgust. No vomiting involved. |
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| the four stages of sexual responding described by Masters and Johnson- excitement, plateau, orgasm, and resolution. |
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| a resting period after orgasm, during which a man cannot achieve another orgasm. |
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| female sex hormone. estrogen levels peak during ovulation, promoting sexual recepitivity |
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| male sex hormone- stimulates the growth of male sex organs and development of male characteristics during puberty |
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| sexual attraction toward members of the same sex or opposite sex. |
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