Unit Four: Sensation and perception

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Across
  1. 3. fluctuation of a wave from its mean value; loudness of sound
  2. 4. the light sensitive inner surface of the eye conditioning the receptor rods and cones plus layers of the neurons that begin the process of visual info
  3. 8. hearing loss caused by damage to the cochleas receptors cells or to the auditory nerves also called nerve deafness
  4. 11. the coiled, bony, fluid filled tube in the inner ear; sound waves traveling through its fluid triggered nerve impulses
  5. 12. retinal receptors that detect black white and grey; necessary for peripheral and twilight vision; used when cones don't respond
Down
  1. 1. hearing loss caused by damage to the mechanical system that conducts sound waves to the cochlea
  2. 2. short tube that end at the eardrum and is inside the inner ear
  3. 5. membrane in cochlea containing tiny hairs that act as sound receptors
  4. 6. depth cues such as retinal disparity that depends on the use of two eyes
  5. 7. depth cues such as interposition and linear position available to either eye alone
  6. 9. carries electrochemical signals from the cochlea to the brain
  7. 10. perceptual ability to organize stimuli into coherent groups; proximity continuity, closure