MB 1 - Consciousness

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  • Created by: Psych951
  • Created on: 01-05-18 16:51

1. Focussed attention is the process of selectively concentrating on aspects of environment. What is the filter model of focussed attention?

  • Ignore all information in a noisy environment until directly drawn into the situation e.g. someone saying your name
  • Information in the environment is filtered at an early stage in attention process.
  • Reduce effect of some information so that it isn't consciously processed
  • Information in the environment is filtered at a late stage in the attention process, just before we respond
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2. What effect do opiates have?

  • Create hallucinations by impairing conscious processing.
  • Relieve pain and change moods by effecting endorphin and dopamine systems
  • Increase neural firing and arouse nervous system
  • Decrease nervous system activity

3. Which of these does NOT affect circadian rhythms?

  • None of the above - they all have an effect
  • Exogenous and endogenous zeitgebers
  • Pineal gland
  • Suprachiasmatic nucleus

4. What is the difference between inattention and change blindness?

  • Inattention is inability to focus attention and change is failure to adjust attention between two tasks
  • Inattention is failure to notice unexpected items and change is failure to see items transform
  • Inattention is failure to pay attention to important aspects of environment and change is inability to change in response to things noticed in the environment
  • Inattention is failure to notice an item transform and change is failure to notice an unexpected item

5. How do drugs affect the brain?

  • All of the above
  • Carried through brain via capillaries
  • Alter consciousness by modifying brain chemicals
  • Facilitate or inhibit synaptic transmission

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