Bilateral And Unilateral Cochlear Implants On Speech Perception

1560 WordsDec 3, 20167 Pages
Abstract Bilateral and unilateral cochlear implantation are popular mode of assistance to those with severe to profound hearing impairments. The research on the effects of bilateral and unilateral cochlear implants continues to grow. However, the effect of bilateral cochlear implants versus unilateral cochlear implants on speech perception has been researched under limited criteria, such as in the presence of quiet only. There is minimal current research regarding the effects of bilateral and unilateral cochlear implants on speech perception in the presence of noise. This study represents quasi-experimental research that compares the effects of bilateral cochlear implants to unilateral cochlear implants on speech perception in the presence of noise. The hypothesis was that bilateral cochlear implants would be more effective compared to unilateral cochlear implants in regards to speech perception in noise. Forty young adults participated in this study. Twenty subjects were bilateral cochlear implant users (CI-CI) and the other 20 subjects were unilateral cochlear implant users (CI-Only). Both groups were administered two speech perception in noise tests to determine the efficacy of having two cochlear implants versus one. The results of this study indicated that bilateral cochlear implants were more effective in comparison to unilateral cochlear implants in regards to speech perception in noise. Therefore, the results supported the hypothesis that bilateral

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