Storage Flashcards

(46 cards)

1
Q

Sensory memory

A

a type of storage that holds sensory information for a few seconds or less

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2
Q

Iconic memory

A

a fast-decaying store of visual information

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3
Q

Echoic memory

A

a fast-decaying store of auditory information

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4
Q

How long does iconic memory last?

A

1 second or less

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5
Q

How long does echoic memory last?

A

5 seconds

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6
Q

What is the key to recalling information?

A

Attention

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7
Q

Short-term memory

A

holds non sensory information for more than a few seconds but less than a minute (7 plus or minus units of information)

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8
Q

Rehersal

A

the process of keeping information in short term memory by mentally repeating it (Adds another 15-20 seconds to short term memory)

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9
Q

Serial position effect

A

the first few and last few items in a series are more likely to be recalled than the items in the middle

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10
Q

Primary effect

A

Recalling the first few items. These items receive more rehearsal than the middle ones and are more likely to be encoded into long term storage

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11
Q

Recency effect

A

recalling the last few items. These items are still in short term storage

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12
Q

Primary and recency can be observed in situations that involve only _____ term storage

A

long

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13
Q

Working memory

A

active maintenance of information in short term storage (stores and manipulates information)

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14
Q

Is working memory the same as short term memory?

A

No

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15
Q

What does working memory suggest?

A

That there is a link between this part of working memory system and the ability to learn languages

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16
Q

What are the 2 subsystems of working memory?

A

Visuo-spatial sketchpad and phonological loop

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17
Q

Visuo-spatial sketchpad

A

visual images

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18
Q

Phonological loop

A

verbal information

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19
Q

Central executive

A

coordinates the subsystem and the episodic buffer

20
Q

Episodic buffer

A

automatically combines separate items into an integrated whole and is a gateway to a long term memory

21
Q

What plays a role in learning to recognize visual words, which requires verbal and visual information?

A

Episodic buffer

22
Q

People learn ____ strategies to perform ____ tasks

A

specific; specific

23
Q

Long term memory

A

the type of storage that holds information for hours, days, weeks, or years

24
Q

Which memory has no capacity limits?

A

Long term memory

25
Explicit memory
act of consciously or intentionally retrieving past experiences, also called declarative memory
26
Episodic memory
collection of past personal experiences that occurred at a particular time and place (imagining the future)
27
Implicit memory
influence of past experiences on later behavior, even without an effort to remember them or an awareness of the recollection
28
Types of explicit memories
Semantic and episodic
29
Types of implicit memories
Procedural and priming
30
Procedural memory
gradual acquisition of skills as a result pf practice, or knowing how to do things
31
Priming
enhanced ability to think of a stimulus as a result of a recent exposure to the stimulus; less cortical activation (perceptual and conceptual priming)
32
Levels of processing model
the more deeply encoded, the better the memory
33
Maintenance rehearsal
encoding by repetition, shallow processing = poor memory
34
Elaborative rehearsal
encoding by linking to stored knowledge, deep processing = better memory, mnemonics
35
Which region of the brain is critical for putting new information into long term store
Hippocampal region
36
Anterograde amnesia
the inability to transfer new information from the short store into the long term store
37
Retrograde amnesia
the inability to retrieve information that was acquired before a particular date, usually the date of an injury or surgery
38
Consolidation
the process by which memories become stable in the brain
39
What happens each time a memory is retrieved?
the memories become vulnerable to disruption and must be reconsolidated
40
What happens if reconsolidation is disrupted?
Fear can be eliminated in the amygdala
41
What does memory storage depend on
Synapses
42
What does long term storage involve?
growth of new synaptic connections between neurons
43
What does short term storage involve?
Enhanced neurotransmitter release
44
Long term potentiation (LTP)
communication across the synapse between neurons strengthens the connection, making further communication easier
45
Long term potentiation can (2 things):
Can be induced rapidly and last for a long time
46
Where does long term potentiation occur?
In several pathways within the hippocampus