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Unit 8A
Motivation
50
Psychology
11th Grade
01/21/2014

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Term
motivation
Definition
a need or desire that energizes and directs behavior
Term
instinct
Definition
a complex behavior that is rigidly patterned throughout a species and is unlearned
Term
finding food to eat when hungry
protecting young
etc
Definition
examples of human instinct
Term
as directed, both by physiological needs and by psychological wants
Definition
how to most psychologists view human behavior?
Term
drive-reduction theory
Definition
the idea that a physiological need creates an aroused tension state that motivates an organism to satisfy the need
Term
homeostasis
Definition
the maintenance of a steady internal state
Term
incentives
Definition
positive or negative environment stimuli that motivate behavior.
Term
Yerkes-Dodson Law
Definition
difficult or challenging tasks cause arousal to be lower, and easy tasks cause arousal to be higher
Term
Incentive theories
Definition
external stimuli "push" people to positive incentives and "pull" people away from negative incentives
Term
hierarchy of needs
Definition
begins at the base with physiological needs that must first be satisfied before higher level safety needs become active
Term
A.L. Washburn's study
Definition
Intentionally swallowing a balloon to prove that the stomach has contractions when it's hungry
Term
glucose
Definition
the form of sugar that circulates in the blood and provides the major source of energy for body tissues
Term
When its levels are low, we feel hunger
Definition
how does glucose influence hunger motivation?
Term
Lateral hypothalamus
Definition
Activity brings on hunger. If destroyed there is no interest in food.
Term
Ventromedial hypothalamus
Definition
it depresses hunger; if destroyed animals will become fat; when stimulated animals will stop eating
Term
Insulin
Definition
controls blood glucose; secreted by pancreas
Term
Leptin
Definition
causes brain to increase metabolism and decrease hunger; secreted by fat cells
Term
orexin
Definition
hunger triggering; secreted by hypothalamus
Term
ghrelin
Definition
hunger arousing; secreted by empty stomach
Term
obestatin
Definition
suppresses hunger; secreted by stomach
Term
PYY
Definition
"I'm not hungry"; secreted by digestive tract
Term
set point
Definition
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 lowered metabolic rate may act to restore lost weight.
Term
basal metabolic rate
Definition
the body's resting rate of energy expenditure
Term
Carbs help boost levels of seratonin, which has calming effects
Definition
why, when depressed, do many people crave starchy, carbohydrate-laden foods?
Term
Neophobia
Definition
disliking things that are unfamiliar to you
Term
social facilitation
Definition
the presence of others tends to amplify our natural behavior tendencies
Term
unit bias
Definition
when the suggested portion size influences our choice as to how much we consume
Term
anorexia nervosa
Definition
when a person diets and becomes significantly underweight, yet still feeling fat, continues to starve themselves
Term
bulimia
Definition
overeating followed by vomiting, laxative use, fasting, or excessive exercise
Term
binge-eating
Definition
binging followed by guilt; no purging involved
Term
they are the immediate determinants of body fat, based on their size and quantity. Once the number of fat cells increases, it never decreases
Definition
what is the role of fat cells in obesity?
Term
the levels of leptin fall and ghrelin rise
Definition
how does sleep loss affect weight gain?
Term
when a friend becomes obese, the person is more likely to
Definition
how does social influence affect weight gain?
Term
sugary soft drinks; more tv shows that inhibit activity
Definition
how do changing food consumption and activity levels affect weight gain?
Term
sexual response cycle
Definition
the four stages of sexual responding described by Maters and Johnson-excitement, plateau, orgasm, and resolution
Term
refractory period
Definition
a resting period after orgasm, during which a man cannot achieve another orgasm
Term
estrogen
Definition
the female sex hormone
Term
testosterone
Definition
the male sex hormone
Term
sexual orientation
Definition
an enduring sexual attraction toward members of either one's own sex or the other sex
Term
during or shortly after puberty
Definition
when do most homosexual people report becoming aware of the same-sex attraction
Term
neither willfully chosen or willfully changed
Definition
most of today's psychologists view sexual orientation as:
Term
one cell cluster was larger in heterosexual men than in women and homosexual men
Definition
what did researcher Simon LeVay find as he studied sections of the hypothalamus?
Term
Identical twins are somewhat more likely than fraternal to share a homosexual orientation
Definition
what are the twin study findings in regards to genetic influences?
Term
competence motivation
Definition
shown by people who are driven to master a task or achieve a personal goal
Term
achievement motivation
Definition
occurs when people try to outdo, or beat, other people
Term
self-efficacy belief
Definition
level of confidence one has when facing the challenges and demands of a situation
Term
approach-approach conflict
Definition
when you must choose between two desirable outcomes
Term
avoidance-avoidance conflict
Definition
when you must choose between two unattractive outcomes
Term
approach-avoidance conflict
Definition
exists when ONE event or goal has both attractive and unattractive features
Term
multiple approach-avoidance conflicts
Definition
choosing between two or more things, each of which has both desirable and undesirable features
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