Vocab Flashcards
Motivation
A need or desire that energizes and directs behavior
Instinct
A complex, unlearned behavior that is rigidly patterned throughout a species
Drive reduction Theory
The idea that a physiological need create an aroused tension state (a drive) that motivates an organism to satisfy the need
Homeostasis
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
Incentive
A positive or negative environmental stimulus that motivates behaviors
Yerkes Dodson Law
The principle that performance increases with arousal only up to a point beyond which performance decreases
Hierarchy of needs
Maslow’s pyramid of human needs beginning at the base with physiological needs that must be satisfied before higher level safety needs and then psychological needs become active
Glucose
The form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low we feel hunger
Set point
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 lower metabolic rate may act to restore the lost weight
Basal metabolic rate
The body’s resting rate of energy expenditures
Sexual response cycle
The 4 stages of sexual responding described by masters and Johnson excitement, plateau, orgasm, and resolution
Refractory period
A resting period after orgasm during which a man cannot achieve another orgasm
Estrogen
Sex hormone secreted in greater amounts by females than by males and contributing to female sex characteristics in nonhuman female mammals estrogen levels peak during ovulation promoting sexual receptively
Testosterone
The most important of the male sex hormones. Both females and males have it but the additional testosterone in males stimulate growth of the male sec organ in the fetus and the development of the male sex characteristics during puberty
Emotion
A response of the whole organism involving physiological arousal, expressive behaviors and conscious experience