A quiz on the human visual system

Adrian F. Clark

  1. What type of cell is responsible for colour vision?

  2. What causes the illusion of the Hermann grid?

  3. Roughly, what is the range of wavelengths of visible light?

  4. What is the `fovea?'

  5. Blue cones are much less responsive than red- and green-sensitive ones. How does the brain handle this?

  6. What is the name of the rear surface of the eye?

  7. What type of cell is responsible for vision in low-light conditions?

  8. Where does the "what" pathway run?

  9. To which of the following do the cells in V1 respond to?

  10. Signals from the eye travel via the optic nerve to which of the following?