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5 Written questions

5 Matching questions

  1. feature detectors
  2. lens
  3. sensory adaptation
  4. intensity
  5. optic nerve
  1. a the nerve that carries neural impulses from the eye to the brain
  2. b nerve cells in the brain that respond to specific features of the stimulus
  3. c diminished sensitivity as a concequence of constant stimulation
  4. d the amount of energy in a light or sound wave
  5. e the transparent structure behind the pupil that changes shape to help focus images on the retina

5 Multiple choice questions

  1. a device for converting sounds into electrical signals and stimulating the auditory nerve through electrodes threaded into the cochlea
  2. the theory that the spinal cord contains a neurological gate that blocks pain signals or allow them to pass on to the brain
  3. the processing of several aspects of a problem at once
  4. the chamber between the eardrum and cochlea containing three tiny bones (hammer, anvil, and stiffup) that concentrate vibrations of the eardrum on the cochlea's oval window
  5. a ring of muscle tissue that forms the colored portion of the eye around the pupil

5 True/False questions

  1. place theoryin hearing, the theoru that links the pitch we hear with the place where the cochlea's membrane is stimulated


  2. frequencythe number of complete wavelengths thatpass a pont in a given time


  3. pitcha tone's experienced hightness or lowness


  4. conduction hearing losshearing loss caused by damage to the mechanical system that dunducts sound waves to the cochlea


  5. inner earthe innermost part of the ear, containing the cochlea, semicircular canals, and vestibular sacs


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