Graeme Clark Collection

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    Cochlear implantation: osteoneogenesis, electrode-tissue impedance, and residual hearing
    Clark, Graeme M. ; Shute, S. A. ; Shepherd, R. K. ; Carter, T. D. ( 1995)
    This study was undertaken to find out how new bone is produced in the implanted cochlea, and the effects of fibrous tissue and new bone growth on electrode-tissue impedance. This knowledge is essential, as bone and fibrous tissue in the cochlea could account for variations in patients' speech perception performance. The study was also carried out to examine the effects of implantation on residual hearing. This information is also important, as cochlear implant speech perception results in profoundly deaf people are now better on average than severely or profoundly deaf people obtain with a hearing aid. Consequently, more people will need to be considered for cochlear implantation in ears with some residual hearing. In this case we need to know to what extent residual hearing is affected by implantation. (From Introduction)