The anatomy of our hearing system can be divided into four components for our convenience in remembering the parts and associating these parts with their function. These divisions are the:
Sound is transformed into mechanical energy by the tympanic membrane. It is then transmitted through the ossicles to the inner ear where it is changed again into hydraulic energy for transmission through the fluid-filled cochlea. The cochlea’s hair cells are stimulated by the fluid waves and a neurochemical event takes place that excites the nerves of hearing. The physical characteristics of the original sound are preserved at every energy change along the way until this code becomes one the brain can recognize and process.
Hearing loss misleads our brain with a loss of audibility and introduces distortion into the message that reaches the brain. Changes in the effectiveness of the brain to process stimuli, from head trauma, disease, or from aging, can result in symptoms that mimic hearing loss. The ears and the brain combine in a remarkable way to process neural events into the sense of hearing. Perhaps it’s fair to say that we “hear” with our brain, not with our ears!
If you suspect that you or a loved one is experiencing hearing loss, give us a call at 901-415-6667 and the licensed professionals of the Shea Hearing Aid Center will gladly arrange for you to have a FREE hearing evaluation.
At the American Neurotology Society Spring Meeting, Dr. Brian J. McKinnon’s team presented their latest ongoing research on the development of a novel cochlear implant thin film array electrode.
Throughout the course of his life, Dr. John Shea Jr. has made major historical breakthroughs and advancements in medicine. Recently, Shea donated 406 papers, including more than 300 published articles, to the Memphis Public Library’s Memphis Room..
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