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Cochlear Implants Essay

408 words - 2 pages

Cochlear Implant Essay

Jeanie Partlow

HCA/COMM 270A The Context and Language of Health Care

Randi White

Warner Pacific College

April 30, 2012

Cochlear Implant Essay
A cochlear implant is a surgically implanted device that provides electrical stimulation to the auditory nerve in the inner ear. The device has internal and external components. The external parts consist of a microphone, a speech processor, and a transmitter. The internal parts include a receiver and electrodes. The external speech processor captures sound, converts it to digital code that is transmitted to the internal electrodes, and finally, communicated to the brain for interpretation as ...view middle of the document...

The cochlear device is implanted behind the ear where the surgeon will create a pocket in the mastoid bone for the receiver. The electrode array is then placed through the inner ear into the cochlea. After the healing process, which takes 1-4 weeks, the patient is fitted with the external parts and the implant is activated. The activation occurs by connecting the external sound processor to the internal device by a magnet. The device then undergoes a series of mapping activities to acclimate the patient to the implant. Sislian (n.d.) states mapping is necessary to allow the patient to distinguish between soft and comfortably loud sounds. Post implantation therapy is required, as the brain needs time to adapt to hearing new sounds.

Sislian, N. (n.d.). Mapping a Cochlear Implant - Hearing Pocket. Children's Cochlear Implant Clothing - CI Harness Alternative. Retrieved April 25, 2012, from
Tyler, R. S., Fryauf-Bertschy, H., Kelsay, D. M., Gantz, B. J., Woodworth, G. P., & Parkinson, A. (1997). Speech perception by prelingually deaf children using cochlear implants. Otolaryngologyhead and neck surgery official journal of American Academy of OtolaryngologyHead and Neck Surgery, 117(3 Pt 1), 180-187. Elsevier Science. Retrieved from http://Speech perception by prelingually deaf children using cochlear implants. | Mendeley

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