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midterm
midterm
191
Psychology
Undergraduate 1
10/12/2009

Additional Psychology Flashcards

 


 

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Term
heuristics
Definition
metal shortcuts our brains use to arrive at a conclusion
Term
representativeness heuristic
Definition
like goes with like. hoodie in alley example
Term
base rates heuristic
Definition
when we judge the probability of something by how common it is in the general population. cops on a road
Term
availability heuristic
Definition
judge the probability of something based on how quick it comes to mind
Term
biases
Definition
systematic errors in thinking
Term
hindsight bias
Definition
i knew it all along. overestimate how well we anticipated something
Term
overconfidence bias
Definition
overestimate our ability to make correct predictions
Term
biases and heuristics good
Definition
help brain overload and organization
Term
biases and heuristics bad
Definition
research methods can guard against
Term
naturalistic observation
Definition
watching subjects in their natural setting
Term
internal validity
Definition
the extent to which we can draw cause and effect inferences ( can manipulate based on control)
Term
external validity
Definition
the extent to which we can generalize our findings to real world setings
Term
case study
Definition
examine one person or a small group of people over an extended period of time. good because can help test new techniques but bad because it an be the exception rather than the rule
Term
correlation
Definition
the relation between two variables. -1 , 0 1
Term
illusory correlation
Definition
when we believe two items are associated when they are not (mozart and baby)
Term
great 4 table if life
Definition
pay more attention to all the boxes. cat sleeping near lady who dies
Term
correlation does not equal...
Definition
causation, as ice cream sales rise so does crime. third variable: hot temperature
Term
experimental design
Definition
only design that allows causal inferences.
Term
random assignment
Definition
assigning people to one of two groups: the experimental and controlled group
Term
manipulation of independent variable
Definition
the variable that is manipulated. added, removed increased
Term
dependent variable
Definition
the variable that is measured to see if the iv had an effect
Term
confound
Definition
anything that causes differences in between experimental and control groups other that iv (different majors)
Term
placebo effect
Definition
subjects report improvement when given something we kNOW has NO EFFECT (fake pill, shot)
Term
nocebo effect
Definition
harm results from expectation of harm. (voodoo)
Term
experimenter expectancy
Definition
rosenthal effect. when an experimenter unintentionally influences the outcome (hanze the horse)
Term
hawthorne effect
Definition
participants knowledge that they are being watched effect their behavior
Term
demand characteristics
Definition
situational factors that influence participants (think their going to feel car sick they will more)
Term
reliability
Definition
consistence of measurement
Term
test retest
Definition
the degree to which multiple tests over time correlate with each other. has to be .8 or higher
Term
inter-rater
Definition
people doing the same experiment come up with the same diagnosis. need 100%
Term
validity
Definition
the extent to which a measure assess what it claims to measure
Term
a test must be reliable to be
Definition
valid. a test can be reliable but invalid
Term
self report measures
Definition
good- easy to administer, cheap
bad- assumes insight and honesty
Term
positive impression management
Definition
circle answers to make themselves look good
Term
malingering
Definition
circle answers to make themselves look worse because they want help
Term
halo effect
Definition
the person rating them knows something good about them and lets that affect their judgement
Term
leniency effect
Definition
being too nice
Term
error of central tendency
Definition
will not use 1 or 5 on a 1 to 5 scale
Term
institutional review boards
Definition
debriefing, freedom from discomfort, privacy, animal rights
Term
descriptive stats
Definition
describe your data
Term
inferential stats
Definition
make predictions about future data based on present data
Term
inferential stats
Definition
used to determine if differences we find in our samples are likely to occur by chance alone
Term
neurons
Definition
cells that are specialized for communication with each other, conduct info to and from one another
Term
sensory, motor, inter
Definition
from senses to cns, from cns to muscles and glands, between neurons only in cns
Term
nucleus
Definition
generating proteins
Term
axon
Definition
direction of travel of electrical connection. they are long extensions from the cell boy that transmit nerve impulses
Term
cell body
Definition
central portion of the cell, responsible for protein synthesis and production of new cell components
Term
dendrites
Definition
extensions from the cell body that receive information from other neurons
Term
axon terminals
Definition
knob like structures at the end of he axon that contains synaptic vesicles
Term
neurotransmission
Definition
chemical responses . happens between neurons only
Term
action potentials
Definition
electrical responses. happens within neurons only. electric impulse that travels down the axon, followed by absolute refractory period
Term
neurotransmitters
Definition
chem molecules that act as messsengers between neurons; travel across synaptic cleft to bind with post synaptic membrane according to shape
Term
vesicles
Definition
sacks of NT's in the axon terminal that release the NT's into the synaptic cleft
Term
synapse
Definition
consists of the synaptic cleft and the pre and post synaptic membranes which are specialized membranes that have flexible permeability
Term
synaptic cleft
Definition
space between two neurons across which between neuron communication happens, area between two neurons into which the NT's released
Term
neurotransmission
Definition
neurotramistters bind with receptor sites on post synaptic neuron based shape. binding opens channels in post synaptic neurons which is the basic for action potential
Term
different from graded potentials
Definition
1. action potentials are all or none
2. regenerative- propagates all the way to the terminal
3. positive charge flows rapidly in and then out
4. always positive
Term
absolute refractory period
Definition
time during which another action potential is impossible.
Term
neurons communicate using which two processes
Definition
electrical and chemical
Term
glial cells
Definition
10 times more than neurons

form. 2..... respond to injury, clean up debris
Term
form myelin sheath
Definition
speed up electrical impulses.
Term
form blood brain barrier
Definition
protect from infection
Term
phrenology
Definition
bumps in the skull corespond to enlargements of brain areas
Term
electroencephalograph eec
Definition
measures electrical activity in the brain and shows areas of activity during performane of specific tasks
Term
transmagnetic stimulation tms
Definition
technique that applies magnetic fields to skull to enhance or interpret brain function. treat depression but finds weird things
Term
right and left part of brain
Definition
sees other sides
Term
sexual reproductive glands
Definition
tests: testosterone
ovaries: estrogen
Term
endocrine system
Definition
system of glands that release hormones
Term
pituitary gland
Definition
master gland. growth hormone
Term
adrenal glands
Definition
emergency centers. secret cortisol which responds to stress
Term
ct
Definition
3d picture using xrays. give good static imagines better for soft tissue
Term
mri
Definition
brain response to magnetic fields. give good static imagines better for soft tissue
Term
pet
Definition
low resolution brain activity. functional technique best used for high detail moving images
Term
fmri
Definition
low resolution brain activity. functional technique best used for high detail moving images
Term
the nervous system
Definition
the communication network
Term
tasks of nervous system
Definition
receive sensory messages, organize the integrate input with existing information, use info to respond (send messages to muscles and glands)
Term
cns
Definition
brain and spinal chord (encased in bone) receives sensory info and outputs info or reponses
Term
pns
Definition
nervous outside the cns ( not encased in bone)
Term
automatic ns
Definition
involuntary. involved in regulation of emotion, governed by the limbic system, processe info about internal states, controsl heart, respiration, perspiration, and endocrine system. sympathetic and parasympathetic work at same time
Term
somatic ns
Definition
voluntary, sensory and motor. interface between cns and pns . carries messages from cns through body to control voluntary movement. executes movement triggered by cns
Term
sympathetic ns
Definition
activates under stress. activates flight or fight response. dilated pupils, racing heart...
Term
parasympathetic ns
Definition
maintains body functions. rest and digestion. active after sympathetic ns. restores homeostasis
Term
the cerebral cortex
Definition
bark outside of the brain. analyses sensory info. responsible for higher brain functions, think, talk, reason
Term
corpus collosum
Definition
large bundles of fibers that connects the two hemispheres and lets them talk to each other
Term
frontal lobe
Definition
motor function, memory, language, oversees other mental functions (executive)
Term
motor cortex
Definition
bodily movement. each area controls a specific part of the body
Term
parietal lobe
Definition
somatosensory cortex: sensitive to temperature, pressure, pain. hurt left ( cant do math ). hurt right ( no control of left side of body)
Term
temporal lobe
Definition
auditory cortex: hearing understanding language, storing autobiographical memories
Term
occipital lobe
Definition
dedicated to vision, larger in species that depend more on sight
Term
basal ganglia
Definition
helps control movement, involved in reward begaviors.
Term
basal forebrain
Definition
interacts with the cortex. helps control movement, involved in memory, selevtive attention, and dreaming
Term
thalamus
Definition
sensory gateway to cerebral cortex ( sensory info passes through)
Term
midbrain
Definition
contains structures involved in movement , tracking of visual stimuli, and reflectes triggered by sound
Term
RAS
Definition
important for arousal awake and alert. activates cortex by increasing signal to noise ration, rise and shine
Term
cerebellum
Definition
balance and coordinate motor movements (cat)
Term
medulla
Definition
regulates breathing, heartbeat, and other vital function; damage can result in brain death
Term
cerebral ventricles
Definition
extend throughout the entire brain and spinal cord.
Term
the limbic system
Definition
emotional center of the brain. smell, motivation and memory
Term
hypothalamus
Definition
the regulator. oversees endocrine and and maintains internal states, many roles in emotion most areas multi task ( eating and sex )
Term
amygdala
Definition
excitement, arousal, fear, emotional learning
Term
cingulate cortex
Definition
activates when emotions are expressed. contributes to social behavior in complex situations
Term
hippocampus
Definition
spatial memory, integrates emotional and cognitive info. damage causes difficulties forming new memories
Term
stress
Definition
the tension, discomfort, or physical symptoms hat arise when a situation stains our ability to cope effectively
Term
problem focused coping
Definition
tackle stressors head on in a practical manner an you want to find a solution
Term
emotion focused coping
Definition
deal with stressors by taking a positive perspective and engaging in behaviors that reduce painful emotion
Term
stress as a response
Definition
focuses on the psychological an physiological reactions to stressful circumstances. depression, hopelessness, hostility, blood pressure
Term
corticosteroids
Definition
stress hormone that activates the body and prepares it for stress
Term
social readjustment rating scale
Definition
43 life events ranked in terms of stress
good: number of events correlated with psychological an physiological disorders.
bad: doesn't take into consideration coping ability
Term
hassles scale
Definition
measures how stressful events impact our adjustment . frequency is a better prediction of physical health than major life events are
Term
general adaptation syndrome
Definition
3 stages in stress response.
Term
alarm
Definition
excites automatic nervous system.
Term
resistance
Definition
adapt to stressor and finds ways to cope
Term
exhaustion
Definition
when stressor is chronic and uncontrollable resistance breaks down and reserves adaptive energy is used up
Term
tend and befriend
Definition
reaction that people to nurture (tend) or seek out social support
Term
PTSD
Definition
post traumatic stress disorder. combat
Term
anxiety
Definition
interpret events as threatening, dangerous, uncontrollable
Term
depression
Definition
feeling helpless and hopeless and responsible for failure
Term
brain body reaction
Definition
poison ivy study
Term
antigens and pathogens
Definition
disease producing organisms
Term
phagosytes
Definition
type of white blood cell
Term
neutrophil
Definition
first on the scene if infected
Term
macrophages
Definition
wonders the body and sticks to/ destroys remaining antigens
Term
lymphocytes
Definition
type of white blood cell
Term
stress and colds system
Definition
subjets randomizedto be eposed to cold virus or placebo. stressful events in the past year predict number of colds. social support is the buffer
Term
psychophysiological condition
Definition
illness in which emotions and stress contribute to , maintain or aggravate that physical condition (athsma)
Term
biopsychosocial perspective
Definition
the view that illness is the produce of interplay between biological , psychological, and social factors
Term
coronary heart disease
Definition
damage to heat from partial or complete blockage of arteries thay supply oxygen to the heart
Term
chd risk factors
Definition
damage to the heart from partial or complete blockage of arteries that supply oxygen to heart.
stress, personality type, economics, discrimination, employment, poverty
Term
nature
Definition
genetics, constraints of biology, may be shaped by evolutionary factors, may be "hard wired"
Term
nurture
Definition
socialization, learned behavior, environmental pressures/ opportunities
Term
gene by environment interaction
Definition
Term
nature via nurture
Definition
Term
gene expression
Definition
2 tall parents the child with the tall gene
Term
zygote
Definition
fertilized eggs
Term
blastcyst
Definition
ball of identical cells early in pregnancy that havent yet begun to take on any specific function in a body part
Term
embryo
Definition
second to 8th week of prenatal development during which limbs facial features and major organs of the body takes form
Term
fetus
Definition
period of prenatal development from 9th week until birth after all major organs are established and physical maturation is the primary change
Term
teratogens
Definition
environmental factors that can have a negative impact (drinking while preggers)
Term
reflexes
Definition
automatic movements that have adaptive. sucking, rooting- touch cheak of baby and it turns the cheak in that direction, duff than reflexes because not initiated by the body
Term
piaget
Definition
children arent minature adults, they are active learners in the world
Term
stage theory
Definition
development occurs in spirts followed by periods of stability. stages involve radical reorganization in thinking
Term
assimilation
Definition
absorbing experience into current knowledge. horse camel- lumpy horse
Term
accommodation
Definition
altering a belief to make it more compatible with experience. camel separate from a horse
Term
stages
Definition
sensorimotor, preoperational, concrete operational, formal operations
Term
sensorimotor
Definition
age 0-2, all info from the senses. lacks object permanence. achieves mental representation
Term
preoperational
Definition
2-7. can mentally represent experiences and use symbols. cant take someone elses perspective. three mountain task, conservation task
Term
concrete operational
Definition
7-11. can perform mental operations for physical events. require experience, cant do hypothetical or abstract tasks
Term
formal operations
Definition
11 and up. able to reason hypthetically beyond the present. able to understand logic and abstract concepts, able to perform pendulum task
Term
vygotsky
Definition
was domain specific
Term
scaffolding
Definition
parents provide a structure to their childrens learning environments. gradually removed as children grow
Term
zone of proximal development
Definition
phase during which children are cable of learnining a task but are not yet successful and can, therefore benefit from instruction (60%)
Term
naive physics
Definition
basic understanding of how physical objects behave
Term
categorization
Definition
adaptive, sometimes based on thematic stimulations or king. carrot- bunny, carrot- stringbean
Term
theory of mind
Definition
ability to reason about what other people know or believe, must develop an understanding that other people may not know what i know
Term
false belief task
Definition
baby puts in cabinet, mom puts in fridge. they'll say they put it in the fridge because cant understand others thinking
Term
critical periods
Definition
specific windows of time during which an event must occur
Term
sensitive periods
Definition
specific windows of time during which an event is likely to have the most impact
Term
contact comfort
Definition
very important. harlows's money
Term
attachment style
Definition
secure, insecure-avoident, insecure-anxious, disorganized
Term
secure
Definition
greet mothers on return and upset at parting and happy at return
Term
insecure avoidant
Definition
indifferent at parting or return (15-20)
Term
insecure anxious
Definition
indifferent at partin but their mixed at return ( reaching but squirming) 15-20%
Term
disorganized
Definition
inconsistant 5-10
Term
mono operation bias
Definition
drawing conclusions on the basis of only a single measure
Term
temperament
Definition
basic emotional style that appears early in development and is largely genetic origin
Term
stranger anxiety
Definition
a fear of strangersthat develops around 8-9 months and increases until 1-11/ 2 years and then drops off. its culturally universal and adapt to craling
Term
imprinting
Definition
phenomenon seen when the baby birds follow a large moving object that they see within hours after hatching
Term
easy
Definition
adaptable and relaxed 40%
Term
difficult
Definition
fussy and easily frusturated 10%
Term
slow to warm
Definition
disturbed by new stimuli but gradually adjusts 15%
Term
phonemes
Definition
the sounds of language
Term
morphemes
Definition
the smallest meaningful units of language. ish- sort of
Term
syntax
Definition
the grammatical rules that govern how we compost words into meaningful strings
Term
extra linguistic information
Definition
elements of communication that arent part of the content of language but are critical to interpreting its meaning
Term
onomatopoeia
Definition
words that sound like what they reefer to.
Term
phonesthemes
Definition
related words that have similar sounding initial consents clusters (sneeze, sniff, snore, snot)
Term
language as a child
Definition
it is easier to learn. high amplitude sucking study
Term
babbling
Definition
any intentional vocalization that lacks specific meaning.
Term
babbling
Definition
any intentional vocalization that lacks specific meaning.
Term
cooing
Definition
2 months
Term
conversational babbling
Definition
3-4 monthes
Term
repetitive babbling
Definition
6 monthes
Term
conversational babbling
Definition
10 monthes
Term
halophrases
Definition
single words to convey the meaning of whole phrases (cat-personal cat)
Term
imitation account
Definition
babies learn by hearing other people speak. we know this is at least partially true
Term
nativist account
Definition
strongest nature account. children are born knowing how language works
Term
social pragmatics
Definition
children use context and social interaction to infer what sentences and words mean
Term
general cognitive processing
Definition
children's ability to learn language is a result of general skills that apply across a variety of activities
Term
nature via nurture
Definition
born shy so your parent will shield you so it looks like its nurture but its nature. a genetic disposition that may lead a person to seek out or create environments that let them expres their genetic tendencies
Term
nature vs nurture
Definition
nature is a biological or physical factors vs your environment or social life learning behaviors
Term
gene by environment interaction
Definition
a genetic factor and a environmental factor must both be present. low levels of iron and eat low iron diet- iron deficiency.
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