TB10 P&C Lecture 3; Gain control and normalisation

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  • Created by: mint75
  • Created on: 24-05-16 12:31

1. Which of these is NOT a reason for using vision as a model system?

  • The organisation of columns are arranged in a way akin to a neural network
  • Visual stimuli are cheap and easy to use
  • People can conciously activate visual system
  • 100 years of prior data and publications
1 of 20

Other questions in this quiz

2. What % of patients in Tunis carry the 'Parkinson' gene?

  • 0.1%
  • 40%
  • 99.9%
  • 0.005%

3. In the dipper function...?

  • Sensitivity is proportional to the gradient of the curve and adding a mask shifts the dipper to the left
  • Sensitivity is proportional to the slope of the curve and adding a mask shifts the dipper to the right
  • Sensitivity is proportional to the gradient of the curve and adding a mask shifts the dipper to the right
  • Sensitivity is proportional to the slope of the curve and adding a mask shifts the dipper to the left

4. What is contrast?

  • The levels of shadow in the visual field. Expressed as a decimal or percentage
  • The amount of light in the visual field. Expressed as a decimal or percentage
  • The luminance variation in the visual field. Expressed as a decimal or percentage
  • The amount of light reaching the retina. Expressed as a decimal or percentage

5. Photosensitive epilepsy can be triggered by...?

  • High contrast gratings
  • Low contrast gratings
  • High contrast visual flicker
  • Low contrast visual flicker

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