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5 Written Questions

5 Matching Questions

  1. fovea
  2. blind spot
  3. accomodation
  4. intensity
  5. cones
  1. a retinal receptor cells near the center of the retina and function in daylight; detect fine detail and give rise to color sensations
  2. b point at which optic nerve leaves the eye, creating a "blind" spot b/c no receptor cells are located there
  3. c process by which eye's lens changes shape to focus near or far objects on thr retina
  4. d central focal pt. in retina, around which eye's cones cluster
  5. e amount of energy in a light or sound wave, which we perceive as brightness or loudness determined by a wave's amplitude

5 Multiple Choice Questions

  1. minimum stimulation needed to detect a particular stimulus 50% of the time
  2. distance from the peak of one light or sound wave to the peak of the next
  3. below one's absolute threshold for conscious awareness
  4. activation usually unconsciously of certain associations, predisposing on'es perception, memory or response
  5. principle that, to be percieved as diff., 2 stimuli must differ by constant minimum percentage

5 True/False Questions

  1. psychophysicsthe process of interpreting info received from our environment

          

  2. bottom-up processinginfo processing guided by higher-level mental processes; construct perceptions and experience expectations

          

  3. opponent-process theoryinfo processing guided by higher-level mental processes; construct perceptions and experience expectations

          

  4. optic nervenerve that carries neural impulses from eye to brain

          

  5. difference thresholdminimum diff. b/w 2 stimuli required for detection 50% of the time

          

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