Cognitive Processes Flashcards

1
Q

divided attention

A

study by Becklen with how many people in white shirts passed a ball

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2
Q

what attention is thought of

A

used to be as a spotlight, now thought of as only being attended to objects

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3
Q

attentional limits

A

you need to pay attention for info to be processed in your mind

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4
Q

in-attentional blindness

A

when you are not paying attention to something at all e.g. card trick

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5
Q

limited “attentional resources”

A

we can either focus on one thing and not process anything else, or spread our attentional resources across many things and perform each less well

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6
Q

early locus of attention

A

info is selected or rejected based on its physical characteristics. unattended stimuli will be processed crudely

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7
Q

late locus of attention

A

info is selected/rejected on the basis of more complex characteristics like its meaning. unattended stimuli do not have their meaning processed e.g. cocktail phenomenon

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8
Q

cocktail party phenomenon

A

we notice our name in a conversation we are not attending to

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9
Q

the lcoation of the attention filter depends on

A

cognitive load

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10
Q

involuntary, exogenous, stimulus-driven control of attention

A

when an object/feature “pops out” or captures attention

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11
Q

voluntary, endogenous, goal-directed control of attention

A

when we try to find an object or feature

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12
Q

change blindness

A

when we make a saccade or “jumping eye movement” the input washes out motion sensors

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13
Q

iconic and echoic (sensory) memory

A

literal copies of visual and auditory events, limited capacity

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14
Q

short-term memory

A

limited capacity, decays within 20 seconds if not rehearsed, phonological type of coding

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15
Q

chunking

A

can be used by turning the amount of things to be remembered into a smaller number of units, saving space in memory

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16
Q

serial position effects in short term recall

A

primacy - transferred to LTM and recency - info dumped from short term buffer

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17
Q

working memory consists of

A

central executive, phonological loop, visuo-spatial sketch pad, and episodic buffer

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18
Q

phonological loop

A

influences memory tasks. memory span depends on how long it takes to repeat info

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19
Q

central executive

A

manipulation of info, elaborative processing, reasoning, planning

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20
Q

long term memory

A

unlimited capacity, forgetting due to interference rather than decay, semantic type of encoding

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21
Q

explicit memory: episodic memory

A

your memory of your life history, important occasions

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22
Q

explicit memory: semantic memory

A

knowledge of the meanings of words, facts, a sense of knowing rather than remembering

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23
Q

nodes

A

e.g. canary, bird, animal

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24
Q

properties

A

e.g. yellow, wings, breathes

25
cognitive economoy
each property is stored only once
26
hierarchical networks
properties stored at the highest level, with interconnected nodes
27
spreading activation
presenting a concept leads to activation of the appropriate node and to the spread of activation to related nodes
28
schema
generalised mental representations or concepts describing objects, people, scenes
29
importance of schema
make memory encoding more efficient
30
negative thing about schema
force all kinds of info into existing schemas therefore distorting experience and perceptions
31
the bechdel test
a movie has to have two women in it who talk about something other than a man
32
stereotypes aka person schemas
used for ease of understanding
33
scripts: event schemas
generalised mental representations of events in time
34
priming
display or mention of one concept leads to spreading activation of related concepts
35
procedural memory - explicit
semantic, episodic
36
procedural memory - implicit
memory for how to do things, operates automaticall
37
deep level of processing
abstract or concrete task
38
explicit memory task
you know your memory is being tested
39
implicit memory task
not told to try and remember, just to perform a task
40
false memory
misleading "post-event" info integrated with original memory and permanently overwrites it
41
what causes false memory
distortions of fitting memories into schemas and scripts
42
flashbulb memories
usually traumatic events that shock the world where everyone shares emotion about the memory
43
confabulation
you have no intention to deceive, but you are aware you have provided incorrect info
44
recovered memories
under hypnosis or strong therapist suggestions
45
infantile amnesia
almost no memories from birth to three years old
46
why infantile amnesia
freud trauma theory, underdeveloped emotional encoding, neurological causes
47
reminiscence bump
surprisingly large number of memories between 10-30 especially 15-25
48
why reminiscence bump
time in your life your brain is growing a lot and where you gain some independence
49
self-schema
strengths and weaknesses
50
attitudes to study
self-schema, motivation to remember
51
memory and ageing
myelination reduces with age and affects processing speed
52
american schema of old people
slow, forgetful, frail. influences performance on memory tasks
53
recognition
retrieval cue is given
54
recall
harder, have to find the retrieval cues
55
free recall task
report items from earlier study episode
56
recognition task
select previously studied items from mixture of old and new items
57
recognition task provides
a cue which can prime the memory network, however the cues can prime the wrong info
58
retrieval is best when
encoding and retrieval match - mood, nature of task, smells, time