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  • Title: Clinical trial of a multiple-channel cochlear prosthesis. An initial study in four patients with profound total hearing loss.
    Author: Clark GM, Dowell RC, Brown AM, Luscombe SM, Pyman BC, Webb RL, Bailey QR, Seligman PM, Tong YC.
    Journal: Med J Aust; 1983 Oct 29; 2(9):430-3. PubMed ID: 6355794.
    Abstract:
    The clinical trial of a multiple-channel cochlear prosthesis was undertaken in four patients with postlingual deafness and profound total hearing loss. The results of open-set speech tests confirmed that, using electrical stimulation alone, one patient could have a meaningful conversation without resorting to lipreading (for example, this patient uses the prosthesis to converse with her husband on the telephone). The results of closed-set speech tests also suggested that a multiple-channel stimulator is more effective than a single-channel one in conveying speech information. The cochlear prosthesis was especially effective in all four patients when it was used in conjunction with lipreading, and speech-tracking tests showed that the patients could combine the information obtained from both electrical stimulation and lipreading.
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