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5 Written questions

5 Matching questions

  1. Muller-Lyer Illusion
  2. figure-ground organization
  3. sensory coding
  4. rhodopsin
  5. Weber's Law
  1. a light-sensitive pigment in the rods.
  2. b part of stimulus appears to stand out as an object (figure) against a less prominent background (ground).
  3. c changing important features of the world into messages understood by the brain.
  4. d two equal-length lines tipped with inward or outward pointing V's appear to be of different lengths.
  5. e the amount of change needed to produce a JND is a constant proportion of the original stimulus intensity.

5 Multiple choice questions

  1. when you must divide your mental effort among tasks.
  2. voluntarily focusing on a specific sensory input.
  3. the opening at the front of the eye through which light passes.
  4. changes in perception that can be attributed to prior experience.
  5. perceptual features that impart information about distance and 3D spaces...two types: monocular/binocular.

5 True/False questions

  1. iriscolored circular muscle that controls the amount of light entering the eye.


  2. stereoscopic visionperception of space and depth caused chiefly by the fact that the eyes receive different images...causes 3D sight.


  3. myopianearsightedness, long eyeball, can't focus on distant objects.


  4. trichromatic theorysays that higher and lower tones excite specific areas of the cochlea.


  5. absolute thresholdthe change in stimulus intensity that is detectable to an observer.