unit 4 Flashcards
motivation
goal-directed behaviour
homeostasis
state of physiological equilibrium or stability
drive/drive theories
internal state of tension that motivates an organism to engage in activities that would reduce that tension
incentive/incentive theories
external goal that motivates behaviour
evolutionary theories
human motives are products or evolution, natural selection, adaptive properties
affiliation motive
need to belong
glucose
a simple sugar that is an important source of energy. increase=satiated
glucostatic theory
fluctuations in blood glucose level is monitored in the brain, influence hunger experience.
judith rodin
“the fatter people are, the fatter they will become”
smell of food can increase insulin, increase hunger
obesity
condition of being overweight, BMI over 30. overweight is 25-29.9.
BMI
weight divided by height
set point theory
the body monitors fat cells to keep them stable
settling point theory
weight drifts around the level where intake and output have equilibrium
4 stages of sexual response
excitement, plateau, orgasm, resolution
vasocongestion
enlarging of the blood vessels
orgasm
sexual arousal reaches peak intensity, discharges in muscular contractions through the pelvic area
refractory period
time after orgasm, males are unresponsive to further stimulation