long term memory Flashcards

1
Q

declarative

A
  • knowing that
  • conscious recollection
  • episodic
  • semantic
  • explicit
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2
Q

non-declarative

A
  • knowing how
  • unconscious
  • procedural, walking
  • priming
  • implicit memory
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3
Q

episodic memory

A
  • recollection of events
  • where and when personal events occured
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4
Q

semantic memory

A
  • facts or general knowledge about the world
  • abstracted from actual experience
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5
Q

is episodic like a video recorder?

A
  • reproduce a detailed and accurate picture of the past
  • requires a large amount of processing
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6
Q

episodic memory is constructive

A
  • access gist, trivial details omitted
  • flexibility needed to form future plans
  • prone to error and illusions
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7
Q

semantic memory

A
  • stored in the form of concepts
  • mental representations of categories (e.g. objects)
  • concepts are organized in hierarchies
  • superordinate (furniture)
  • basic level (chair)
  • subordinate, specific (rocking chair)
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8
Q

concepts

A
  • typically deal with objects at basic level
  • as it gives us informativeness and distinctiveness
  • usually acquired first by young children
  • similar motor movements when integrating with category members
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9
Q

what do mental concepts look like?

A

assumed to be:
- abstract
- stable
- shared across individuals
vary depending on:
- individual goals
- current context or settings

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10
Q

schemas

A
  • intergrated chunks of knowledge about the world,events,people or actions
  • in the form of scripts
  • info about sequencing of events
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11
Q

anterograde amnesia

A
  • reduced ability to acquire new memories
  • damage to hippocampus, poor episodic
  • damage to para hippocampal cortex,poor semantic
  • damage to both,poor semantic and episodic
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12
Q

interdependence

A
  • involve similar brain systems in coding and retrieval
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13
Q

kan et al (2009)

A
  • learn prices of grocery items (episodic memory task)
  • prices either congruent or incongurent with prior knowledge (semantic)
  • healthy controls had better memory for congruent prices
  • amnesiac patients with poor semantic had no congurent effects
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14
Q

semanticization

A
  • episodic memories can become semantic over time
  • lack personal/contextual info over time
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15
Q

harand et al (2012)

A
  • 200 pictures
  • memory tested 3 days and 3 months later using remember/know paradigm
  • some memories episodic rembered at both intervals with a stable hippocampal activations
  • others were episodic at short interval, semantic at long interval
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16
Q

non-declarative memory

A
  • does not involve conscious recollection
  • reveals itself through behavior
  • 2 major forms
    1. priming
  • facilitated processing of repeated stimuli
  • occurs rapidly
  • tied to a specific stimulus
    2. procedural
  • skill learning
  • occurs very slowly
  • generalizes to numeral stimuli
17
Q

priming

A
  • two types
  • perceptual, repeated presentation of stimulus leading to facilitated processing. if already seen it has be processed
  • conceptual, repeated presentation leads to perception of meaning, semantically related
18
Q

procedural memory

A
  • includes acquired skills and abilities that have been automated and can be carried out without conscious thought
  • initially effortful before being fully learnt and no longer requiring concentrated attention
  • automatisation of these processes and allows capacity to be freed up for more urgent tasks that require cognitive resources
  • allows you to get dressed and ready while also mentally preparing
19
Q

everyday memory

A
  • Long time and often
    remembered
  • Incidental
  • Social factors important
  • Accuracy is not our
    main goal/motive
20
Q

lab-based memory

A
  • remember info shortly beforehand
  • intentional
  • social factors and demands absent
  • motivated to be as accurate as possible
21
Q

autobiographical memory

A
  • long term memory for life events
  • related to episodic memory as both relate to personally experienced events
  • complex memories of personal significance that extend back over many years
  • flashbulb memories
  • vivid memories of distinctive events
  • long-lasting if there was an intense emotional experience when formed
22
Q

trauma

A

painful memories repressed to protect person from psychological harm

23
Q

childhood amnesia

A
  • inhability to recall autobiographical memories from an early childhood
  • neurogenesis=process of generating new neurons
24
Q

reminiscence bump

A
  • recall disproportionate number of memories from early adulthood
  • generation of life scripts
25
Q

prospective memory

A
  • remembering to carry out intended action
  • absence of explicit reminder
  • when to do something = low info content
26
Q

retrospective memory

A
  • emphasis on the past
  • many external cues
  • what we already know= high info context
27
Q

stages of prospective memory

A
  1. intention formation, intention linked to specific cue
  2. retention interval, enviromental monitoring task relevant cues
  3. cue detection and intention retrieval
  4. intention recall, retrieve intention from retrospective memory
  5. intention execution, fairly automatic and undemanding