Memory- Multi Store Model Flashcards

(39 cards)

1
Q

Coding

A

The way in which information is changed to be stored in memory

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2
Q

Capacity

A

The amount of info a store can hold

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3
Q

Duration

A

How long a store can hold memories for

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4
Q

Serial recall

A

Memory testing method where participants need to repeat information in order

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5
Q

Stores in the multi store model

A

Sensory register, Short term memory, Long term memory

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6
Q

Sensory memory capacity

A

Unlimited

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7
Q

Sensory memory duration

A

1.5-2 seconds

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8
Q

Sensory memory coding

A

Sense specific (depends on stimuli)

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9
Q

Short term memory coding

A

Acoustic

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10
Q

Short term memory capacity

A

7+-2 items

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11
Q

Short term memory duration

A

18-30 seconds

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12
Q

Long term memory coding

A

Semantic

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13
Q

Long term memory capacity

A

Unlimited (potentially)

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14
Q

Long term memory duration

A

Lifetime (49 yrs)

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15
Q

How does information go from the sensory to short term store

A

Attention

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16
Q

How does information pass from short term to long term memory

A

Maintenance rehersal

17
Q

How does information stay in the STM

A

Rehearsal loop

18
Q

How is information moved from long term to short term memory

19
Q

How is information lost from the sensory memory

20
Q

How is information lost from the short term memory

A

Decay and displacement

21
Q

How is information lost from long term memory

A

Retrieval failure or interference

22
Q

Decay

A

When a memory disappears due to not being rehearsed

23
Q

Displacement

A

When a store runs out of capacity so older information is forgotten

24
Q

Study supporting STM’s capacity

25
Miller study
Used a serial recall task, Found most people could recall between 5 and 9 items (‘Miller’s magic number’)
26
Study supporting STM’s duration
Peterson & Peterson
27
Peterson & Peterson study
Made participants remember a 3 letter trigram and count backwards in 3s, 90% were accurate after 3 seconds but only 2% were after 18 seconds
28
Study supporting LTM’s duration
Bahrick
29
Bahrick study
Asked people to recall names of their school year after 49 years, 70% were accurate with cues from the yearbook
30
Study supporting STM & LTM coding
Baddeley
31
Baddeley study
Participants had to learn acoustically similar/dissimilar words and semantically similar/dissimilar words. Performance was worse on semantically similar when recalled after a long time, and worse on acoustically similar words after a short time.
32
Study supporting separate memory stores
Glanzer and Cunitz
33
Glanzer and Cunitz study
Serial positioning effect discovered where people are more likely to remember items at the beginning and end of a list showing the primacy and recency effects.
34
Case study contradicting single STM store
Patient KF
35
Patient KF case study
Had a motorcycle accident leaving a normal visual STM and a damaged verbal STM
36
Case study contradicting single LTM store
Patient HM
37
Patient HM case study
Had hippocampus removed and could not form new explicit (semantic and episodic) memories but could form implicit (procedural)
38
Contradicting studies for MSM
Patient KF Patient HM
39
Supporting studies for MSM
Baddeley Glanzer & Cunitz