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)
  • Long term store
  • A rehearsal mechanism
  • Short term store
  • Limited capacity channel
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2. What is the main premise of dichotic listening tasks?

  • Pps have to report back the attended channel whilst filtering the unattended channel
  • Pps have to moniter speech for specific phonemes and respond as fast as possible when heard
  • Pps have to report back the unattended channel whilst filtering the attended channel
  • Pps have to discriminate between features present in the two channels

3. 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

4. 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)

5. What is meant by 'bioenergetic limitations?'

  • Because of the limited neural energy in the brain, there is a limitation on processing
  • Because of the unlimited neural energy in the brain, there is a limitation on processing
  • Brain has finite capacity; attention used as a resource allocation tool

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