TB6 P&C Lecture 1; Models of attention

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  • Created by: mint75
  • Created on: 31-12-15 12:15

1. Which of these is NOT a component of the filter model? (Broadbent, 1958)

  • Selective filter (channel selective)
  • Limited capacity channel
  • Long term store
  • Short term store
  • A rehearsal mechanism
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2. What is the core concept of Lavies perceptual load model?

  • If the load on perceptual analysis is slight, then there is no filtering and non/targets are processed, When the load is heavy, there will be full capacity on filtering (gating)
  • If the load on perceptual analysis is heavy, then there is no filtering and non/targets are processed, When the load is slight, there will be full capacity on filtering (gating)

3. What was the critical result behind Lavies perceptual load hypothesis?

  • There was a noticeable dual task decrement from only the high load condition
  • The compatibility effect only arose for the high load condition (small no of non-targets), no corresponding effect for low load condition
  • The compatibility effect only arose for the low load condition (small no of non-targets), no corresponding effect for high load condition
  • No resources were dedicated towards target detection so pps performed equally in both tasks

4. What defines the stimulus and response set?

  • STIMULUS = basis of the physical properties of the input, RESPONSE = basis of mental categories that do not share physical property
  • STIMULUS = basis of mental categories that do not share physical property RESPONSE = basis of the physical properties of the input

5. What is the concept of 'filtering'?

  • Selection of events with particular physical features = processing
  • Only processing events which belong to a particular category. Takes practice to establish categories/members
  • Once a category is establish, members are selected on the basis of bias to the category rather than on physical features

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