Chapter 12 Flashcards
Instinct
Complex behavior that is rigidly patterned throughout a species and is unlearned
Motivation
Need or desire that energizes and directs behavior
Drive-reduction theory
Physiological need creates and aroused tension state (a drive) that motivates an organism to satisfy the need
Homeostasis
Tendency to maintain a balanced or constant internal state (regulation of body chemistry)
Incentives
A positive or negative environmental stimulus that motivates behavior
Hierarchy of needs
Pyramid of human needs, beginning with physiological needs up to safety and self-wants
- self-actualization needs
- esteem needs
- belongingness and love needs
- safety needs
- physiological needs
Glucose
Sugar that circulates in the blood and provides the major source of energy for body tissue
Set point
Point at which an individual’s “weight thermostat” is supposedly set
Basal metabolic rate
Body’s resting rate of energy expenditure
Anorexia nervosa
Eating disorder where one diets and fasts and becomes significantly under weight
Bulimia nervosa
Eating disorder where one over eats and then vomits it all back up
Sexual response cycle
4 stages of sexual responding 1. Excitement 2. Plateau 3. Orgasm 4. Resolution Masters and Johnson
Refractory period
Resting period after an orgasm, during which a man can’t achieve another orgasm
Sexual disorder
Problem that consistently impairs sexual arousal or functioning
Estrogen
Sex hormone, mainly in females