Visual Cognition

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  • Created by: mint75
  • Created on: 26-04-15 15:37

1. What did Posner & Mitchell (1967) find?

  • Pps were all fastest when repsonding to physical form matches and slowest when responding to consonant matches
  • Pps were all faster at responding to name matches rather than physical
  • Pps were equally fast at all matching tasks
  • Pps were slowest at vowel matches and fastest at consonant matches
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2. What does evidence suggest about visual reasoning?

  • Visual reasoning is a purely physical process, there is no cognitive abilities utilised
  • Humans naturally adopt mental simulation strategies, reflecting how problem solving+perception are closely linked
  • The only way humans solve visual problems is through deductive reasoning

3. What did early work by Posner & Mitchell (1967) aim to show?

  • How accurate a pps cog. processes can be when asked to match letters
  • The time taken for pps to respond to the task represents the cog. processes, how long it takes to recover and run visual/name codes
  • How accurate pps guesses were when choosing matching letters

4. In the early stages of visual processing model, which stage has the slowest readout and which has the fastest readout?

  • Both stages co-occur
  • Name code=fastest, visual code=slowest
  • Visual code=fastest, name code= slowest
  • Equally fast

5. What do ambiguous figure tasks measure?

  • Problem solving abilities
  • How key features and structural relations of objects are represented in visual cognition
  • The speed at which pps respond indicates the speed of the cognitive processes behind shape representation
  • How pps access image representations in the brain

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