Cochlear Implants in Children : Ethics and Choices by John B. Christiansen

By John B. Christiansen

To investigate the delicate matters hooked up with cochlear implants, the authors reviewed 439 surveys of oldsters with childrens who've had the technique. They up with interviews of the oldsters of kids who've had a year's event utilizing their implants, and in addition the kids themselves. Their findings form the center of this helpful learn. Cochlear Implants starts off through explaining how implants convert sound into electrical impulses that stimulate the mind. the second one part information the methods mom and dad coped with the invention that their baby was once deaf. mom and dad proportion how they realized approximately cochlear implants and the way they selected an implant middle. additionally they element their kid's stories after surgical procedure, and their development with language acquisition and in class. the ultimate half treats the debate linked to cochlear implants, rather the response of the Deaf neighborhood and the ethics of implanting children with no their consent. Cochlear Implants presents thoughts for fogeys and pros that whole it because the crucial e-book in this burgeoning expertise.

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An Early Technical Challenge Blair Simmons, Graeme Clark, and others decided early on that in order for speech to be understood by a person using a cochlear implant, it would be necessary to stimulate different areas of the cochlea. This is because different areas of the cochlea respond to sounds of different frequencies. Among those with normal hearing, when a sound is of low frequency, the hair cells in the apex (top) of the snail-shaped cochlea are activated and stimulate the 22 COCHLEAR I MPLANT H ISTORY AND TECHNOLOGY auditory nerve endings located there.

12 During the 1990s and beyond hundreds of media (newspapers and magazines, both on-line and in print, and television) stories about cochlear implants have increased public awareness, although 12. According to information from the three largest manufacturers of cochlear implants, by the end of 2000, there were approximately 4,000 Med-El implantees (with only 200, more or less equally divided between adults and children, in the United States), 6,000 Clarion implantees (with about 4,000 in the United States, also fairly equally divided between children and adults), and slightly more than 25,500 Nucleus implantees around the world.

Furthermore, as far as language development was concerned, the CDCS pointed out that no studies had been H ISTORY OF COCHLEAR I MPLANTS 35 done that could separate “the effect of the implant from improvement due to maturation and training”(p. 6). In conclusion, the 1988 NIH consensus statement emphasized again that “implantation does not restore normal hearing” (p. 7) and that, for both adults and children, standardized methods needed to be developed to measure implant effectiveness. The 1990s and Beyond During the 1990s, the cochlear implant revolution was in full swing.

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