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Flashcards in 8A Deck (17):
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Motivation

A need or desire that energizes and directs behavior

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Instinct

A complex behavior that is rigidly patterned throughout a species and is unlearned

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Ride-reduction theory

The idea that a psychological need creates an aroused tension state (a drive) that motivated an organism to satisfy the need

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Homeostasis

Tendency to maintain a balanced or constant internal state; the regulation of any body chemistry, such as blood glucose, around a particular level

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Incentive

A positive or negative environmental stimulus that motivates behavior

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Heirarchy of Needs

Maslows pyramid of human needs beginning at the base with psychological needs that must first be satisfied before higher level safety needs and then psychological needs become active

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Glucose

The form of sugar that circulates in the blood and provides the major source of energy for body tissue. When level is low, we feel hunger

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Set Point

The point at which an individuals "weight thermostat" is supposedly set. When the body falls below this weight, an increase in hunger and lowered metabolic rate may act to restore the lost weight

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Basal Metabolic Rate

The bodies resting rate of energy expenditure

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Anorexia Nervosa

A eating disorder in which a person (usually teen girl) diets and becomes significantly (15% more) underweight yet, still feeling fat, continues to starve

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Bulimia Nervosa

An eating disorder characterized by episodes of overeating, usually high calorie foods, followed by vomiting, laxative use and fasting, or excessive exercise

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Binge eating disorder

Significant binge eating episodes, followed by distress, disgust or guilt. Without purging like Bulimia

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Sexual response cycle

The four stages of sexual responding described by Masters and Johnson- excitement, plateau, orgasm, and resolution

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Refractory period

A resting period after orgasm, during which a man cannot reach another orgasm

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Estrogens

Sex hormones, secreted in greater amounts in females than in males and contributing to female sex characteristics . In nonhuman female mammals, estrogen levels peak during ovulation promoting sexual receptivity

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Testosterone

The most important of the male sex hormones. Both males and females have it, but the additional testosterone in male stimulates the growth of the male sex organs in the fetus and the development of the male sex characteristics during puberty

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Sexual orientation

An enduring sexual attraction toward members of either ones own sex(homosexual) or the other sex (heterosexual)