FINAL Flashcards

1
Q

3 stages of memory

A

encoding
storage
retrieval

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2
Q

encoding

A

register info and put it into your memory

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3
Q

storage

A

hold onto the info

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4
Q

retrieval

A

“taking out” the info

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5
Q

stage theory

A

we have at least two stages of memory
Long-term memory and short-term memory

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6
Q

duration

A

LTM- relatively permanent (>1min)
STM- seconds to minutes (<1min)

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7
Q

capacity

A

LTM- infinite (no limit to what’s remembered)
STM- 7 chunks

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8
Q

chunks

A

organized packets of info

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9
Q

Psychological code

A

LTM- semantic (meaning based)
STM- phonological (sound based)

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10
Q

neural code

A

LTM-structural: pattern of connections within a group of cells
STM-dynamic: pattern of activity among a group of cells

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11
Q

Forgetting

A

LTM- misplacement and/or retrieval failure
STM- displacement and/or decay of info

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12
Q

Two kinds of misplacement

A

proactive interference- old info affects the new info
retroactive interference- new info affects the old info

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13
Q

Flow of info in memory

A

stimulus>STM>rehersal>LTM

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14
Q

two types of rehersal

A

maintenance- holds info in STM
elaborative- moves info into LTM

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15
Q

primacy affect

A

early part of list is recalled better than the middle
recalled from LTM

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16
Q

how two reduce primacy effect

A

present the words faster

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17
Q

recency effect

A

last part of list is recalled better than the middle
recalled from STM

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18
Q

how to reduce recency effect

A

delay between last word and when asked to recall

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19
Q

STM as “working memory”

A

cognitive workbench not a storage box
used in all processing of info

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20
Q

depth of processing

A

deeper (more meaningful) processing leads to better memory
connected to notion of elaborative rehersal

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21
Q

Episodic/generic memory

A

episodic- episodes, events with time and place
your life/timeling
generic- (semantics) facts, concepts, meanings

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22
Q

explicit/implicit memory

A

explicit- reference to prior learning experiences
implicit- no conscious awareness of remembering

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23
Q

priming

A

read list then do a task
- stem completion
- word fragment completion

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24
Q

most of our memory is…

A

implicit

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25
declarative/procedural memory
declarative- knowing that (statements); mainly explicit procedural- knowing how (skills); mainly implicit
26
Henry Molaison (HM)
had an operation to remove hippocampus and amygdala in hopes to alleviate epilepsy left him with anterograde amnesia
27
anterograde amnesia
forgetting events AFTER trauma
28
retention without awareness
amnesia patients performed poorly on explicit memory amnesia patient's performance on implicit memory was like normal
29
Encoding specificity principles
compatibility principles any memory for an item has the item's context wrapped up in it too context at retrieval should be like context at encoding
30
retrieval cues
current stimulus that aids retrieval
31
reconstructive processes in memory
at least in part memory involves reconstruction of remembered info memory can be distorted by other info
32
Loftus and Palmer experiments
had patients looked at slideshow of car accident pictures asked either how fast when they hit or how fast when they smashes week later asked if they saw ant glass those with smash question said yes
33
sensation
basic, primitive mental state corresponding to energies in environment EXPERIENCE of world
34
perception
mental state corresponding to properties of objects and events in environment based on sensation KNOWLEDGE of world
35
doctrine of specific nerve energies
quality of sensation depends on which nerve fibers are stimulated, not the stimulus any sensory experience must have a corresponding set of nerve fibers
36
light
electromagnetic radiation intensity corresponds with brightness wavelength corresponds with color
37
photoreceptors
light-sensitive neurons in retina of eye that produce action potentials when stimulated by light two types - rods - cones
38
rods
low light conditions; nighttime; black white only very sensitive; mostly in periphery
39
cones
bright light conditions; daytime; colored vision less sensitive; mostly in fovea
40
three types one cone cells
short wavelength- blue light medium wavelength- green light long wavelength- red light
41
cone cells send action potentials to...
opponent process cells
42
three types of opponent processing cells
white/black red/green blue/yellow (either excited or inhibited)
43
opponent processing theory
there are three cone cells but they are most likely violet, green and yellow colors come in opponent pairs activation of short, medium, or long wavelength cones may excite or inhibit opponent process cels this is how we see color
44
optic nerve
bundle of axons on ganglion cells, leading out back of brain no rods or cones here leaves a blind spot in vision
45
fovea
central depression in retina where cones are most densely packed most acute vision
46
lateral inhibition
neighboring receptor cells tend to inhibit each other by using inhibitory interneurons that connect them result- exaggeration of contrasts
47
brightness contrast
neighboring regions of different brightness have their boundaries sharpened as their brightness/darkness difference increases
48
retinal image
stimulation of receptors produces sensation of brightness and colors then light sensation must be interpreted as objects
49
poverty of stimulus
proximal stimulus is inadequate for knowing about distal stimulus conclusion- perception doesn't happen in eye, it happens in the brain
50
problems with proximal stimulus
inverted- image is upside-down on retina ambiguous- close up objects appear same size as larger further objects 2-dimension- image is flattened but object is in 3-D
51
depth perception-empiricist view
Herman Von Helmholtz retinal image and clues along with knowledge/inferences learned from experiences result in the precept
52
Helmholtzan program
monocular depth cues unconscious inference
53
monocular depth cues
linear convergence- convergence point is far away interposition- nearer objects block further objects relative size- nearer objects cast larger retinal images than further objects
54
unconscious inference
the best guess at what distal stimulus probably caused the proximal stimulus
55
maximum likelihood
perception is always in the direction of the best inference
56
form perception- nativist view
gestalt psychologists retinal image and innate laws of organization result in the precept
57
principles of perceptual organization
grouping by proximity grouping by similarity good continuation closure
58
Phi-phenomenon
apparent motion stimulus present in two locations within a short time interval is seen as one moving stimulus no sensation of movement present
59
Craik and Tulving
elaborative rehersal experiment subjects shown a list of words and asked to use one of three strategies - visual - acoustin - semantic
60
Johannes Muller
doctrine of specific nerve endings
61
Thomas yong
trichromatic theory with Helmholtz all colors are mixtures of blue, green, red based on response to those cone types
62