COGNITIVE PSYCHOLOGY - the working memory model

COGNITIVE PSYCHOLOGY - the working memory model

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  • Created by: Isabelle
  • Created on: 22-05-11 15:42

COGNITIVE PSYCHOLOGY

DESCRIBE THE WORKING MEMORY MODEL

DESCRIBE THE PHONOLOGICAL LOOP?

WHAT WAS BADDELY, THOMSON AND BUCHANAN EVIDENCE FOR THE PHONOLOGICAL LOOP?

WHAT DID THEY FIND?

WHAT DID THEY CONCLUDE?

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COGNITIVE MEMORY

(http://upload.wikimedia.org/wikipedia/en/d/d3/Working_memory_model.PNG)

Limited capacity - temporary storage system for holding verbal information in speech based form

2 conditions - list contained five familiar one syllable words / five polysallabic words

Superiority for shorter words - 'word length effect'

capcity of loop determined by length of time it takes to say words

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COGNITIVE PSYCHOLOGY

DESCRIBE THE VISUO-SPATIAL SKETCHPAD

WHAT WAS BADDELY, GRANT, WIGHT AND THOMSON'S EVIDENCE FOR THE VSS?

WHAT DID THEY CONCLUDE?

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COGITIVE PSYCHOLOGY

Temporary memory system for holding visual and/or spatial information - limited capacity

Gave participants tracking task, and simultaneous visual imagery task

Difficult to track spot of light as well as classify corners - two tasks competing for the same limited resources of VSS  - supported by the fact participants were able to carry out tracking task at the same time as performing verbal task

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COGNITIVE PSYCHOLOGY

DESCRIBE THE CENTRAL EXECUTIVE

WHAT ARE THE STREGTHS OF THE WORKING MEMORY MODEL?

WHAT ARE THE WEAKNESSES OF THE WORKING MEMORY MODEL?

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COGNITVE PSYCHOLOGY

Has overall control - limited capacity - process information from any sensory store

  • A lot of research evidence (e.g. VSS - Baddely / PL - Baddly)
  • KF supports the WWM of more than one STM store
  • Doesn't rely on rehersal
  • Emphaises on process more than MSM
  • Knowledge of centeral executive is vague
  • Maybe more than one centeral executive
  • Difficult to make before and after comparisons with brain damaged patients
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