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5 Written questions

5 Matching questions

  1. feature detectors
  2. accomodation
  3. intensity
  4. absolute threshold
  5. cones
  1. a nerve cells in the brain that respond to specific features of stimulus, such as shape, angle or movement
  2. b process by which eye's lens changes shape to focus near or far objects on thr retina
  3. c amount of energy in a light or sound wave, which we perceive as brightness or loudness determined by a wave's amplitude
  4. d minimum stimulation needed to detect a particular stimulus 50% of the time
  5. e retinal receptor cells near the center of the retina and function in daylight; detect fine detail and give rise to color sensations

5 Multiple choice questions

  1. analysis that begins with the sensory receptors and works up to the brain's integration of sensory info
  2. point at which optic nerve leaves the eye, creating a "blind" spot b/c no receptor cells are located there
  3. processing of aspects of a problem simultaneously; brain's natural mode of info processing for many functions including vision
  4. minimum diff. b/w 2 stimuli required for detection 50% of the time
  5. retinal recpetors that detect black, white and gray; necessary for peripheral and twilight vision when cones don't respond

5 True/False questions

  1. foveacentral focal pt. in retina, around which eye's cones cluster


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


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


  4. subliminalbelow one's absolute threshold for conscious awareness


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


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