Psych M.D. - Sensorineural hearing loss


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Term: Sensorineural hearing loss
Definition (Myers): hearing loss caused by damage to the cochlea’s receptor cells or to the auditory nerves; also called nerve deafness.1
Definition (alternative): occurs when there is damage to the inner ear (cochlea) or to the nerve pathways from the inner ear (retrocochlear) to the brain. Cannot be medically or surgically corrected; it is a permanent loss. 2
Contextual explanation: This type of hearing loss happens when the cochlea, the snail-shaped tube in the inner ear, or the auditory nerves are damaged. More specifically, the hair cells (which trigger nearby auditory nerves) on the cochlea are damaged. Usually, aging and/or prolonged exposure to loud noises and music will incur this type of damage. For example, listening to your iPod with your earphones plugged in 24/7 will inevitably wear down your cochlea and lead to this hearing loss. 1
Related terms and concepts:
Psych M.D. - Sensorineural hearing loss - The Neuron 3
Psych M.D. - Sensorineural hearing loss - The Neuron4
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Related websites:
Sources:
  1. Myers, D. G. (2004). Psychology. New York, New York: Worth Publishers.
  2. Type, Degree, and Configuration of Hearing Loss. Retrieved from http://www.asha.org/public/hearing/disorders/types.htm
  3. http://www.clivir.com/lessons/show/sensorineural-hearing-loss-causes-symptoms-and-treatments.html
  4. http://kidshealth.org/parent/general/eyes/cochlear.html
  5. http://www.youtube.com/watch?v=DzapIm7b1MQ
Edited by: Yu Sun
Date of last edit: 9/23/09



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