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Unit 8a Motivation
| Question | Answer |
|---|---|
| Glucose | Form of sugar that circulates in the blood and provides the major source of energy for body tissues. Without it, we feel hungry. |
| Motivation | A need or desire that energizes behavior and directs it towards a goal. |
| Instinct | A complex behavior that must have a fixed pattern throughout a species and be unlearned. |
| Drive-Reduction Theory | The idea that a physiological need creates an aroused state that motivates the organism to satisfy the need. |
| Homeostasis | Maintenance of a steady internal state. |
| Incentive | Positive or negative stimuli that lure or repel humans |
| Hierarchy of Needs | Maslow's pyramid of human needs. It begins with physiological needs, then safety needs, belongingness and love needs, esteem needs, self-actualization needs, and self-transcendence needs |
| Set Point | Point at which an individual's weight thermostat is supposedly set. When below this weight, an increase in hunger and a lowered metabolic rate may act to restore the lost weight. |
| Basal Metabolic Rate | The body's resting rate of energy expenditure. |
| Anorexia Nervosa | Eating disorder in which a person diets and becomes significantly underweight (15 percent and above) yet still continues to feel fat and continues to starve. |
| Binge Eating Disorder | Significant binge-eating episodes followed by distress, disgust, or guilt but without the compensatory purging, fasting, or excessive exercise that marks bulimia nervosa. |
| Sexual Response Cycle | The four stages of sexual response described by masters and Johnson: excitement, plateau, orgasm, and resolution. |
| Refractory Period | Resting period after orgasm during which a man cannot achieve another orgasm. |
| Estrogen | Sex hormones secreted in greater amounts by females than males; peak during ovulation promoting sexual receptivity. |
| Testosterone | Most important male sex hormone. Both sexes have it but additional levels in males stimulates growth of male sex organs in fetus and development of male sex characteristics during puberty. |
| Sexual Orientation | Enduring sexual attraction toward members of either one's own sex or the other sex (homosexual or heterosexual respectively). |