- Graeme Clark Collection
Graeme Clark Collection
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ItemSpeech processing for cochlear implantsTong, Y. C. ; Millar, J. B. ; Blamey, P. J. ; Clark, Graeme M. ; Dowell, R. C. ; Patrick, J. F. ; Seligman, P. M. (JAI Press Ltd, 1992)The cochlear implant is a hearing prosthesis designed to replace the function of the ear. The operation of the prosthesis can be described as a sequence of four functions: the processing of the acoustic signal received by a microphone; the transfer of the processed signal through the skin; the creation of neural activity in the auditory nerve; and the integration of the experience of this neural activity into the perceptual and cognitive processing of the implantee.
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ItemTwo-component hearing sensations produced by two-electrode stimulation in the cochlear of a deaf patientTong, Y. C. ; Dowell, R. C. ; Blamey, P. J. ; Clark, Graeme M. ( 1983)http://www.sciencemag.org/cgi/content/abstract/219/4587/993?ijkey=v6jEOhdpzPCxw&keytype=ref&siteid=sci
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ItemClinical trial of a multiple-channel cochlear prosthesis: an initial study in four patients with profound total hearing lossBailey, Quentin R. ; Seligman, Peter M. ; Tong, Yit. C. ; Clark, Graeme M. ; Dowell, R. C. ; Brown, Alison M. ; Luscombe, Susan M. ; Pyman, Brian C. ; Webb, Robert L. ( 1983)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 with 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.