Memory Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Sensory memory

A

Very brief memories involving the senses

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2
Q

Encoding

A

The process by which information enters our memory, sometimes fairly active, sometimes passive

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3
Q

Storage

A

Process by which information is kept in the memory, connecting one’s pre-existing knowledge is important as information is stored with related concepts

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4
Q

Retrieval

A

Pulling the pieces of memory back together, can be intentional or unintentional
Specific brain areas are associated with this such as the hippocampus

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5
Q

Modal model of memory

A

Atkinson and Shiffrin (1968)
Memories classed on duration
Sensory memories - very brief
Short-term memories - fairly brief
Long-term memories - longer held memories
Attention required to pass sensory memory to STM
Processed to LTM if information is processed in connection with prior knowledge

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6
Q

Working memory

A

Baddeley and Hitch (1974)
Visuospatial sketchpad - storage of visual information in working memory
Phonological loop - storage of audio information in working memory
Episodic buffer - handles the brief storage of episodic memories when the visuospatial sketchpad or the phonological loop are engaged
Central executive - the manager of the working-memory system, controls the flow of information between the three storage subsystems, the flow of information between the episodic buffer and LTM, and which part of the system is the current focus of attention

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7
Q

Clive Wearing

A

Clive suffered extensive damage to the hippocampus
He lost the ability to know what was going on around him for more than about a minute
He retained his ability to play the piano
He can hold memories in his STM for a short time, but loses them when his attention moves on
Cannot retrieve episodic and semantic memories

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8
Q

Miller (1956)

A

Magic number 7 +/- 2

People could on average remember 7 +/- 2 things

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9
Q

Episodic memory

A

Like an episode of your life, remembering what you did last thursday

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10
Q

Semantic memory

A

General knowledge but no information about time and place we learned the knowledge, we just know

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11
Q

Procedural memory

A

Memory for skills and tasks

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12
Q

Recall tasks

A

Can be cued or free recall
Free-recall - asked to retrieve information without any cues
Cued-recall - cues aid the retrieval of the information

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13
Q

Recognition task

A

Asked to verify if the information has been experienced before

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14
Q

Implicit memory tasks

A

Designed to measure memory without intentional retrieval

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15
Q

Prospective memory

A

Remembering to perform a task at some point in the future

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16
Q

Tulving (1985)

A

LTM is split into episodic, semantic and procedural memory

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17
Q

Squire (1992)

A

LTM is declarative or non-declarative

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18
Q

Declarative memory

A

Episodic or semantic

19
Q

Non-declarative

A

Procedural, perceptual, classical conditioning, non-associative learning (reflexes)

20
Q

McClelland et al. (1995)

A

Events are stored in the hippocampal systems and transferred to the neocortex over time
Talk to each other using thalamo-cortical spindles to cause consolidation

21
Q

Catastrophic interference

A

Trying to introduce new information too quickly overwrites other information, introducing it more slowly produces more stable long-term memory

22
Q

Electrodes in rodents’ brains found that activation of neurons (the neurons activated when learning something) is replayed …

A

At high speed during sleep, believed to be how the consolidation of information happens

23
Q

Nadel & Moscovitch (1997)

A

Hippocampal complex encodes all information with is attended to
The facts are extracted and stored in the neocortex
There is always a level of contextual information even in semantic memory

24
Q

Atienza & Cantero (2008)

A

Asked participants in encoding phase if pictures were neutral, positive or negative and the intensity of this feeling
Asked 1 week later if the pictures were old or new, and if old, were they known or remembered
Half were stopped from going to sleep after encoding phase
Those whose sleep was prevented remembered less than those who slept
Memory consolidation was prevented due to lack of sleep
Semantic memory wasn’t affected as information is already there (known images were the same)

25
Q

Why do we not have perfect recall?

A

Memory is subject to various influences (suggestibility, misattribution etc)
Memory is reconstructive and not faithful recording

26
Q

Schacter (2001) 7 sins of memory

A
Persistence 
Transience 
Absentmindedness 
Blocking 
Bias 
Source misattribution 
Suggestability
27
Q

Persistence

A

Unwanted intrusions of memory

28
Q

Transience

A

Forgetting may result from insufficient consolidation

29
Q

Absentmindedness

A

Lack of attention during encoding

30
Q

Blocking

A

When trying to remember something, it is blocked, error of retrieval

31
Q

Bias

A

Expectation can affect how a memory may be perceived

32
Q

Source misattribution

A

Remembering information correctly but misremembering where the information came from (saying you remember a word from a list but actually you just know it)

33
Q

Suggestibility

A

Different words used affect how people recall an event (Loftus eye-witness testimony)

34
Q

James (2004)

A

Participants were shown faces and told their name and occupation
Some could be occupation or name (eg Cook)
More name errors were made than occupation errors
Occupation spreads more activation and therefore easier to remember

35
Q

Loftus and Palmer (1974)

A

Participants asked to watch car crash and asked how fast the car was going when it hit/smashed/collided/bumped/contacted
Speed estimate higher for more violent verbs

36
Q

Misinformation effect

A

Loftus and Palmer
Asked if the participants saw any broken glass
More participants in the smashed condition said they did when there was no glass in the scene
This is a false memory caused by misinformation

37
Q

War of Ghosts

A

Participants presented with a weird story
People added things in and changed things during recall
Because the story didn’t fit with their cultural expectations

38
Q

DRM paradigms

A

Roediger & McDermott (1995)
Participants given list of words united by theme but without the most obvious word
When asked to recall the list they often recalled the obvious word which wasn’t on the list
Making up a memory

39
Q

Critical lure

A

Related word that was not part of the list

40
Q

Unrelated lure

A

Unrelated word

41
Q

Loftus and Pickerell (1995)

A

Participants given information about 4 events, 3 true and 1 false
Asked to write details about the events and provide measure of clarity of memory
Interviewed 2 weeks later and 4 weeks later
29% remembered false events as being true

42
Q

Ost et al. (2013) false memories

A

No correlation between broad range of misinformation and DRM effects measures
Thus, DRM false memories and misinformation effect false memories do not appear to be equivalent and therefore not underpinned by the same mechanisms

43
Q

How do false memories in DRM paradigms happen?

A

Activation spreads when someone tries to remember something
Because activation spreads to the related lure, people misattribute the knowledge of a word as having remembered the word from the list