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cog psych
final
89
Psychology
Undergraduate 2
12/14/2010

Additional Psychology Flashcards

 


 

Cards

Term
Why did Baddeley conclude there are 2 stores in working memory?
Definition
Because people can do two working memory tasks simultaneously without much interference if one is acoustic and the other is visual
Term
phonological loop
Definition
stores a limited number of sounds for a short period of time (left hemisphere)
Term
functions of phonological loop
Definition
storage of acoustic information, rehearsal of information
Term
visuo-spatial sketchpad
Definition
stores visual and spatial info (right hemisphere)
Term
functions of visuo-spatial sketchpad
Definition
gathers images from perception, visual info derived from verbal description, locating objects in space
Term
central executive
Definition
combines info from phonological loop, visual-spatial sketchpad, and episodic buffer (frontal lobes)
Term
functions of central executive
Definition
plays a big role in attention: planning strategies and coordination behavior, suppresses irrelevant behaviors: what to do/not to do next
Term
which part of working memory has to do with stimulus-independent thoughts (daydreaming)?
Definition
the central executive
Term
what evidence is there that the central executive has to do with the stimulus independent thoughts?
Definition
teasdale's research: subjects were told to make #s from lists of #s 1-10, task got difficult after 5 mins and they started to daydream
Term
Rey-osterreith complex figure test
Definition
tests for frontal lobe damage
Term
episodic buffer
Definition
temporary storage place for gathering and combining info from phono loop, visuo sketchpad, and LTM
Term
H.M. why was brain surgery performed on him?
Definition
he suffered from seizures and so he had surgery to remove them
Term
was H.M.'s surgery successful?
Definition
it was successful in that it stopped the seizures
Term
what parts of H.M.'s brain was removed?
Definition
hippocampus
Term
how was his memory affected?
Definition
he could no longer put things into his LTM so he could never learn new things
Term
cosolidation
Definition
its the process of putting new items into LTM makes memories stronger
Term
what does H.M.'s case suggest about memory?
Definition
his case suggest that LTM and STM are different and different types of memory are involved with different parts of the brain
Term
episodic memory
Definition
memories of events that happened to a person
Term
procedural memory
Definition
knowledge about how to do something
Term
semantic memory
Definition
organized knowledge about the world
Term
encoding
Definition
getting info into storage
Term
storage
Definition
holding info
Term
retrieval
Definition
getting info out of storage
Term
depth of processing
Definition
shallow quality of a word-visual appearance of the word, sound of a word
deep quality - meaning of the word
Term
classic test for depth perception
Definition
-ask a yes/no question about a word (forces deep/shallow processing)
-flash a word on the screen
-later test for recall without knowing they would be tested
Term
what were the results of the classic test for depth perception?
Definition
they remembered fill-in-the-blank better than physical characteristics which meant meaning was deep
Term
distinctiveness
Definition
a stimulus is different than other memory
Term
elaboration
Definition
processing new info by associating it with other concepts in permanent memory
Term
maintenence rehearsal
Definition
repeating a stimulus. less likely to be permanently stored
Term
elaborative rehearsal
Definition
mnemonic devices. better stored
Term
depth of processing tested with pictures of faces
Definition
subjects were shown faces of people they didnt know and asked about the width of the nose and the honesty of a person. later they correctly remembered honesty faces better
Term
self referential effect
Definition
enhancement of LTM by relating the material to personal experiences
Term
why does self-referential effect occur
Definition
1. self has rich cues: allows for elaboration and distinctiveness
2. instructions encourage people to see how their traits are related to one another. we rehearse more if related to us
Term
encoding specificity principle
Definition
recall is better if the retrieval context is similar to encoding context ex. you should study where you take the test
Term
in order for context to have an effect
Definition
(1) type of task matters (recognition vs. recall) (2) other learning cues should be weak (3) bigger effect on older memories
Term
context vs. emotion
Definition
tend to recall happy times when happy and bad times when sad
Term
pollyanna principle
Definition
pleasant times are processed more efficiently than less pleasant times
Term
mood congruence
Definition
recall material more accurately if its congruent with your current mood
Term
explicit memory
Definition
memory of facts and experiences that can be continuously known
Term
explicit memory task
Definition
participants are specifically instructed to retrieve info they had previously learned
Term
implicit memory
Definition
retention without conscious recollection ex. riding a bike
Term
implicit memory task
Definition
previous experiences aid in the performance of a task without conscious awareness of these previous experiences
Term
repetition priming task
Definition
recent exposure to a word increases likelihood you'll think of this particular word when given a cue that could evoke many different words
Term
retrograde amnesia
Definition
lack of memory related to events that occurred before a traumatic event
Term
antegrade amnesia
Definition
lack of memory related to event that occurred after a traumatic event
Term
what part of memory is most affected by antegrade amnesia?
Definition
explicit memory not implicit
Term
childhood (infantile) amnesia
Definition
a person's inability to recall events from early childhood
Term
autobiographical memory
Definition
memory for events and topics related to oneself
Term
factors to autobiographical memory
Definition
-accurate for major details, not so for incidental details
-memories can be constructed at time of retrieval
-most recent experiences are recalled
-older people tend to recall their adolescence and early adulthood
-transitional firsts are recalled
-people keep a running story of themselves
Term
flashbulb memory
Definition
memory of a situation in which you first learned a very surprising or emotionally arousing event
Term
6 incidental details recalled in flashbulb memory
Definition
-place you first heard the news
-the ongoing event interrupted
-the person who gave you the news
-your feelings
-the feelings of others
-aftermath
Term
2 views of flashbulb memory
Definition
1. they are different from other memories: remember stuff not remembered in other memories
2. they are like other memories: surprising and emotional memories are likely to be repeated and elaborated on: strengths memory
Term
consistency bias
Definition
we tend to exaggerate the consistency between our past and present feelings and beliefs
Term
source monitoring
Definition
trying to identify the origin of our memory and beliefs
Term
how valid is eyewitness testimony
Definition
major details are fairly accurate, smaller details are often mistaken
Term
misinfo effect
Definition
event is viewed, afterward people are given misleading info about event, later recall the misleading info instead of what they saw
Term
retroactive interference
Definition
trouble recalling old material because recently new material interferes
Term
loftus' stop/yield what did it demonstrate?
Definition
time increases misinfo effect
Term
4 factors to influence eyewitness testimoney?
Definition
distraction=more errors
if misleading info is believable
social pressure
if witness is given positive feedback for info
Term
contructivist approach to memory
Definition
we construct knowledge by integrating what we know so that our understanding of the event or a topic is coherent and makes sense
Term
evidence that supports the recovered memory perspective
Definition
hospital records who kids were treated for sexual assault as children but they don’t recall being assaulted when they’re adults. then after therapy or being told they were assaulted they remember.
Term
bug bunny at disney world demonstrated
Definition
They were shown a fake print advertisement that described a visit to Disneyland and how they met and shook hands with Bugs Bunny. Later 16% of these subjects said that they remembered meeting and shaking hands with Bugs Bunny. Demonstrated that eye witness testimony and false memories make for implausible facts
Term
lost in the mall? what did it demonstrate?
Definition
4 sotries: 3 real one fake (lost in mall as a child) demonstrated that recovered memories can be false memories
Term
general knowledge
Definition
our background knowledge that helps us get along in life
semantic knowledge and schemas
Term
schemas
Definition
the way we do things
Term
semantic memory
Definition
organized knowledge of the world includes matters of fact and conceptual knowledge
Term
categories
Definition
class of objects that belong together
Term
concepts
Definition
the mental representation of a category
Term
function of concepts
Definition
decides what objects go in which categories
Term
feature comparison modeal
Definition
concepts are stored in memory according to a list of features, people decide whether or not the two match
Term
defining features
Definition
attributes necessary to the memory of an item
Term
characteristic features
Definition
attributes that are descriptive but not essential
Term
2 stages of feature comparison
Definition
-compare all features (defining/characteristic)
-compare the features of the object to the category
Term
sentence verification technique
Definition
subjects read simple sentences and must consult their semantic knowledge to determine if the sentence is true or false
Term
typicality effect
Definition
people reach decisions faster with an item is a typical member of a category
Term
problems with feature comparison
Definition
few concepts in real life have necessary features (3 legged dead dog that doesnt bark)
Term
prototype approach
Definition
a person decides whether an item belongs in a category by comparing the item to a prototype
Term
prototype
Definition
the idealized item that is most typical of a category
Term
prototypicality
Definition
degree to which members f a category are prototypical
Term
family resemblance
Definition
no single attribute is shared by all examples of a concept even though each example has at least one attribute in common with other examples of a concept
Term
prototype approach demonstrated with the identikit-face study
Definition
-subjects were shown composite faces
-each shared features with a prototype never shown
-later given a recog test and asked how confident they were
-subjects did well except they all identified the prototype face as seen before with the most confidence
Term
advantages to the prototype approach
Definition
-avoids defining categories by essential features
-accounts for developing categories from loosely structured resemblances
-shows how we can store a vast amount of info into a single prototype
Term
problems with the prototype approach
Definition
-sometimes a prototype is not the most typical item in a category
-we often do store a vast amount of info
-categories are treated as fuzzy by the prototype approach, but categories aren't fuzzy
Term
exemplar approach
Definition
people first learn some specific examples f a concept and then classify a new stimulus by deciding how closely it resembles those specific examples
Term
exemplar
Definition
specific examples of a concept stored in memory
Term
advantages to exemplar approach
Definition
-avoids problems of necessary features
-don't have to devise a prototype
-can explain why we can categorize unusual examples
(why a penguin is a bird)
Term
problems with exemplar approach
Definition
-explaining why we store some examples but not others (bat is not a bird)
-exemplars for large categories can be awkward
Term
prototypes are in what hemisphere of the brain
Definition
left hemisphere
Term
exemplars are in what hemisphere of the brain?
Definition
right hemisphere
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