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What´S A Cochlear Implat? Essay

1165 words - 5 pages

According to the National Institute on Deafness and Other Communication Disorders “A cochlear implant is a small, complex electronic device that can help to provide a sense of sound to a person who is profoundly deaf or severely hard-of-hearing.” In this paper we will discuss the history of the cochlear implant device, how these devices work, what steps a person is required to take to be qualified for an implant, what kind of therapy is done to help the brain recognize spoken language. The benefits and risks of having a cochlear implant and the impact on the identity of the person involved, will also be discussed.
It was Alessandro Volta who was the first to stimulate the auditory system, ...view middle of the document...

The lower pitched sounds transmitted to one part of the cochlea and the high pitched sounds are sent to another part of the cochlea. In 1985, the multi-channel cochlear implant was approved by the Federal Drug Administration and in 1987 the first pediatric patient received her the multi-channel cochlear implant device.
The devices have evolved through the years and the receptor box has gotten smaller. The original “Wearable Speech Processor” was about the 3”x5”. In 1989 the mini speech processor was smaller and lighter. This newer version was a much better fit for children. Through the years, the receptor is been made to fit behind the ear to look at a hearing aid and
The cochlear implant has a few parts that makes it work. The device has three (3) external pieces, and two (2) outside pieces, and each piece plays an important role in the ability to hear. The external pieces include a microphone, speech processor and a transmitter, while the internal pieces are a receiver and electrodes. In the new cochlear implant models, the speech processor is located behind the ear, where in the older models the speech processor was the small box. The speech processor is designed to analyze and digitalize the sound that is picked up by the microphone. The digitalized sound travels to the transmitter. The transmitter sits has a magnet the lays on top of the mastoid bone and sends the sound to the receiver that is located on the inside of the body, underneath the scalp. The receiver then codes the signals that have been received and transfers the sounds to the electrodes that have been inserted as far into the cochlea as possible, and as close to the auditory nerve, and stimulates the fibers on the nerve.
According to Sorkin’s article, in the United States there were “34-36 million adults with measureable hearing loss in 2009. Of that number, 1.2 million children and adults (with profound hearing loss) were thought to be potential implant candidates.”(Sorkin. 2)
There process for a person to obtain a cochlear implant is pretty extensive. According to the American Speech-Language-Hearing Association. Specialists want to know if the candidate had any language development prior to becoming deaf and want to know what the patient’s motivation to get an implant is.
There is extensive testing once the candidate is approved for testing. The testing involves...

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