Types of Memory, Capacity and Duration - MEMORY Flashcards

1
Q

coding

A

the form information is stored in

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2
Q

duration

A

how long information lasts being stored

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3
Q

capacity

A

how much information can be stored at any one time

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4
Q

short term memory

A

items you’re using now

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5
Q

long term memory

A

stored items you can access again

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6
Q

retrieval

A

accessing information from LTM

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7
Q

attention

A

mental focus on an object

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8
Q

episodic

A

memory that has a narrative

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9
Q

semantic

A

memory that has a meaning

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10
Q

acoustic

A

memory based on sounds/beats/rhythms

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11
Q

what type of coding is STM

A

acoustic

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12
Q

what type of coding is LTM

A

semantic

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13
Q

capacity of STM

A

limited - between 5-9 items, 7+/-2, on average (Miller 1956)

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14
Q

capacity of LTM

A

potentially unlimited

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15
Q

duration of STM

A

between 15-30 seconds

up to 18 seconds without rehearsal (P&P 1959)

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16
Q

duration of LTM

A

potential lifetime

Bahrik et al 1975 - 90% accurate after 15yrs, 70% accurate after 48yrs

17
Q

who developed the digit span test

A

Jacobs (1887)

18
Q

what happened in digital span test

A

researcher gave no. of digits to ppts, had to recall in order
researcher increases no. of digits by 1 and ppt recalls again until they cannot anymore
determines their digit span

19
Q

results from the digit span test

A

mean digit span was 9.3 items

mean letter span was 7.3 items.

20
Q

what are the three types of long term memory (Tulving)

A

episodic, semantic, procedural