Chapter 10 Motivation and Emotion Flashcards
(66 cards)
Motivation involves
goal-directed behaviour
Homeostasis is
a state of physiological equilibrium or stability
Drive is
an internals state of tension that motivates an organism to engage in activities that should reduces this tension
in a class and hungry - the hunger is the drive to get you to eat food
this is because your homeostasis is out of whack
even though drive can motivate a lot of things interruption to homeostasis can’t help with the thirst for knowledge
Incentive is
an external goal that has the capacity to motivate behaviour
ice cream, prize, approval, grade are all examples
does drive push or pull
pushes
does incentive push or pull
pulls
expectancy value model says that your motivation to pursue a course will depend on
expectancy of chances of attaining the incentive and
the value of the desired incentive
Evolution theories of motivation
natural selection favors behaviours that maximize reproductive success
accounts for affiliation, achievement, dominance, aggression and sex drive
why is affiliation valuable
affiliation motive is beneficial for child rearing, collaboration in hunting/defence, opportunities for sexual interaction
lateral hypothalamus is destroyed what is the effect?
stops eating (thought as stop start centre for eating but then discredited)
lateral hypothalamus activated
over eating (thought as stop start centre for eating but then discredited)
ventromedial nucleus destroyed what is the effect?
over eating
ventromedial nucleus activated
stops eating
neuron pathway for hunger in 2 parts. they are called
arcuate nucleus and paraventricular nucleus
neurons that say you’re hungry, you’re full
glucose level is up you feel
satiated
glucose level is down you feel
hungry
glucostats are
neurons in liver sensitive to level of glucose
function of the vagus nerve
carries info using glucostats about the stretching of the stomach wall that indicates fullness
function of insulin
secreted by pancreas must be present for cells to extract glucose from the blood
inadequate insulin =
diabetes
secretion of insulin and insulin injections are associated with
increased hunger
can sight and smell induce the secretion of insulin?
yes
other hormones associated with hunger
ghrelin and CCK, leptin
10 environmental factors contributing to hunger
Palatability Cultural traditions Quantity Variety Presence of Others Learned habits Classical conditioning Observational learning Stress Manipulation of time cues (Schacter)