TB7 P&C Lecture 2; Depth Perception

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

1. What is the horopter?

  • Both of these
  • An imaginary curved surface that passes through the fixation point
  • The locus of all points in 3d space that fall on corresponding retinal points
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Other questions in this quiz

2. How do random dot stereograms show how stereopsis works re; binocular disparity?

  • The edges are found, the disparity is calculated and the depth is determined
  • Disparity and depth precede edge extraction in RDS. Because some dots are shifted laterally with respect to others, these dots in the displaced square do not fall on corresponding points on both eyes --> they have disparity
  • Edge extraction precedes disparity and depth in RDS. Because some dots are shifted laterally with respect to others, these dots in the displaced square do not fall on corresponding points on both eyes --> they have disparity

3. What happens to depth as disparity increases?

  • Perceived depth increases
  • Perceived depth decreases
  • Perceived depth stays the same
  • None of the above

4. How do autostereograms demonstrate disparity-selectivity?

  • The picture appears superimposed with itself with an offset, the cells find matches in nearby repeated patterns. To view the image as 3D, eyes must converge at a diff plane of depth to the picture.
  • The two images are adjacent, the cells find matches in nearby repeated patterns. To view the image as 3D, eyes must converge at a diff plane of depth to the picture.

5. 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

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