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5 Written questions

5 Matching questions

  1. fovea
  2. top-down processing
  3. Weber's law
  4. absolute threshold
  5. intensity
  1. a amount of energy in a light or sound wave, which we perceive as brightness or loudness determined by a wave's amplitude
  2. b minimum stimulation needed to detect a particular stimulus 50% of the time
  3. c info processing guided by higher-level mental processes; construct perceptions and experience expectations
  4. d principle that, to be percieved as diff., 2 stimuli must differ by constant minimum percentage
  5. e central focal pt. in retina, around which eye's cones cluster

5 Multiple choice questions

  1. the process of interpreting info received from our environment
  2. below one's absolute threshold for conscious awareness
  3. retinal recpetors that detect black, white and gray; necessary for peripheral and twilight vision when cones don't respond
  4. theory that opposing retinal processes enable color vision
  5. light-sensitive inner surface of the eye, containing the receptor rods and cones and layers of neurons that begin processing of visual info

5 True/False questions

  1. accomodationthe process by which our sensory receptors receive info from our environment

          

  2. wavelengthdistance from the peak of one light or sound wave to the peak of the next

          

  3. psychophysicsstudy of relationships b/w physical characteristics of stimuli and our psychological experience of them

          

  4. blind spotpoint at which optic nerve leaves the eye, creating a "blind" spot b/c no receptor cells are located there

          

  5. sensory adaptationthe process by which our sensory receptors receive info from our environment