TB7 P&C Lecture 2; Depth Perception

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  • Created by: mint75
  • Created on: 18-12-15 11:34

1. How does convergence work?

  • The perception of depth can be increased by artificially creating shadow and a longer optical path to edges
  • The ability to stretch and relax the lens, the degree of strain is translated into the distance of the object
  • How much your eyes need to move to focus on an object (objects closer will need more movement than those further away)
  • A MONOCULAR depth cue in which we view objects that are closer to us as moving faster than objects that are further away from us
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2. What is motion parallax?

  • A MONOCULAR depth cue in which we view objects that are closer to us as moving slower than objects that are further away from us
  • A BINOCULAR depth cue in which we view objects that are closer to us as moving slower than objects that are further away from us
  • A MONOCULAR depth cue in which we view objects that are closer to us as moving faster than objects that are further away from us
  • A BINOCULAR depth cue in which we view objects that are closer to us as moving faster than objects that are further away from us

3. In stereopsis, what happens when objects are too far away?

  • Disparity becomes too small, depth cannot be inferred
  • Double vision (diplopia)

4. How do autostereograms differ from normal stereograms?

  • The two pictures are superimposed rather than adjacent
  • The picture is repeated rather than varied
  • The two pictures are adjacent rather than superimposed
  • The picture is varied rather than repeated

5. What is crossed disparity?

  • Objects positioned closer than the fixation point on the horopter have crossed disparity
  • Objects positioned further from the fixation point on the horopter have crossed disparity

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