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Summary Human Memory

- Radvansky
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A snapshot of the summary - Human Memory Author: Radvansky

  • 4 Sensory and short-term memory

  • 4.5.5.4 memory for serial order

  • what is memory for serial order?

    remembering the order of a certain series

  • what are 3 classe of theories explaining it?

    1. chaining models: series of associative links, info recovered moving along the associative chain

    2. ordinal models: order captured by where an item occurs on a dimension relative to others

    3. positional models: associating each item with position in sequence

  • 4.5.5.4.2 ordinal models

  • what are 2 kinds of ordinal models?

    1. perturbation models: units remembered in hierarchy of chunks regulated by control units

    2. inhibition models: first unit retrieved, then inhibited, because of the inhibition next one is recalled. -> shown in repetition blindness

  • 4.5.5.4.3 positional models

  • two kinds of positional models?

    1. slot-based models: items saved in a series of ordered slots - not a lot of evidence

    2. contex-based models -> items saved with context, recall order of context to recall serial info

  • 5 Working memory

  • 5.1.1 phonological loop

  • which 2 components does the phonological loop consist of?

    1. phonological store: temporary storehouse

    2. articulatory loop: for active rehearsal

  • 5.1.1.2 phenomena

  • which phenomena - that are evidence for the phonological loop- does the phonological loop show?

    - word length effect: word span is smaller for longer than for short words

    - articulatory suppression: reduced verbal span when someone is speaking while trying to remember a set of items

    - irrelevant speech effect: phonological loop less efficient when irrelevant speech in the background

    - phonological similarity effect: the more phonologically similar items in set, the more memory errors are made

    - lexicality effect: memory spans larger for lists of words than nonwords -> shows that semantics from long-term mem is used to support and reconstruct info in phonological store

  • 5.1.2 Visuo-spatial sketchpad

  • what are processes the visua-spatial sketchpad is involved in?

    - mental images

    - visual scanning

    - mental rotation

    - boundary extension

    - dynamic memory

  • 5.1.2.2 visual scanning

  • what is a characteristic of visual scanning?

    mental scanning increases proportionally with the distance that needs to be covered -> so processing info in visuo-spatial sktchp had isomorphic perceptual qualities like the real world

  • 5.1.2.3 mental rotation

  • whata re characteristics of mental rotation?

    characteristics that mimic physical rotation

    - refelcts embodied cognition ; performed like actually rotatin an object

  • 5.1.2.4 boundary extension

  • what is boundary extension? what are properties of it?

    mentally filingi n beyond the edges of what we see with what we think should be there.

     

    - but not automatic or unconscious:

    * what they see must be perceived as scene from the world

    * must be a background

     

    depends on knowledge of long-term memory

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