Short-Term Memory Flashcards

1
Q

memory

A

the process involved in retaining, retrieving, and using information about stimuli, images, events, ideas, and skills after the original information is no longer present

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2
Q

sensory memory

A

the brief retention of sensory information

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3
Q

short-term memory/working memory

A

information that stays in our memory for brief periods of time (10 to 15 seconds)

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4
Q

episodic memory

A

long-term memory of experiences

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5
Q

procedural memory

A

long-term memory of the ability to do something involving muscle coordination

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6
Q

semantic memory

A

long-term memory of facts

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7
Q

everything we know or think about at each moment in time is in _________

A

short-term memory

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8
Q

modal model

A
  1. sensory memory holds all incoming information for seconds/fraction of a second
  2. STM holds 5-7 items for about 15-20 seconds
  3. LRM can hold a large amount of information for years
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9
Q

control processes

A

dynamic processes associated with the types of memory that can be controlled by the person and may differ from one task to another

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10
Q

encoding

A

the process of encoding information in LTM

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11
Q

retrieval

A

the process of remembering information in LTM

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12
Q

persistence of vision

A

the brief retention of the perception of light

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13
Q

whole report method

A

subjects are asked to report every aspect of a stimulus

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14
Q

iconic memory

A

the brief sensory memory for visual stimuli

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15
Q

echoic memory

A

the brief sensory memory for sound

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16
Q

most information in STM is ____

A

lost

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17
Q

decay

A

when information is lost from memory due to passage of time

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18
Q

proactive interference

A

when information that was learned previously interferes with learning new information

19
Q

retroacting interference

A

when new information interferes with remembering old learning

20
Q

digit span

A

the number of digits a person can remember

21
Q

chunking

A

small units can be combined into larger meaningful units

22
Q

effect of chunking?

A

enables STM to deal with a larger amount of information

23
Q

working memory

A

a limited-capacity system for temporary storage and manipulation of information for complex tasks

24
Q

How is information copied into memory store?

A

Attention selects information from sensory memory via pattern recognition to transfer to STM

25
Q

George Miller

A

wrote a paper on the “magic number” of STM capacity (7 +/- 2 chunks)

26
Q

chunk

A

a collection of elements that are strongly associated with one another but weakly associated with elements of other chunks

27
Q

recoding

A

packaging more information into each chunk

28
Q

mnemonic

A

a technique for improving memory

29
Q

verbal information is recoded into _____ format in _____

A
  • acoustic

- working memory

30
Q

Saul Sternberg

A

developed a way to measure working memory retrieval using recognition, not recall

31
Q

serial memory scan

A

scanning items in memory one at a time

32
Q

parallel memory scan

A

scanning all items at ones

33
Q

Alan Badley

A

shifted emphasis from STM (passive storage) to working memory (active processing)

34
Q

central executive

A

directs and controls all working memory functions

35
Q

visuo-spacial sketchpad

A

a slave system for holding visual information

36
Q

phonological loop

A

a slave system for holding and recycling auditory information (articulatory loop for using/phonological store for holding info)

37
Q

episodic buffer

A

where information from different modalities and sources is bound together

38
Q

serial vs free recall

A

serial- same order they were presented

free- any order

39
Q

primacy

A

superior memory for the beginning information in a sequence

40
Q

recency

A

superior memory for the ending information in a sequence

41
Q

dissociation

A

an independent variable affects one situation different from another (eg. distraction affects WM but not LTM)

42
Q

phonological similarity effect

A

the confusion of letters or words that sound similar

43
Q

word length effect

A

memory for lists of words is better for short words than for long words

44
Q

perseveration

A

repeating the same action or thought even if it is not achieving the desired goal