The histopathological effects of chronic electrical stimulation of the cat cochlea
AuthorShepherd, R. K.; Clark, Graeme M.; Black, R. C.; Patrick, J. F.
Source TitleThe Journal of Laryngology and Otology
PublisherCambridge University Press
Document TypeJournal Article
CitationsShepherd, R. K., Clark, G. M., Black, R. C., & Patrick, J. F. (1983). The histopathological effects of chronic electrical stimulation of the cat cochlea. The Journal of Laryngology and Otology, April, 97, 333-341.
Access StatusOpen Access
This is a publisher’s version of an article published in The Journal of Laryngology & Otology © 1983 Cambridge University Press. www.cambridge.org/
The success of a cochlear implant depends on stimulating an adequate number of viable spiral ganglion cells. The effect of chronic electrical stimulation on ganglion cells is therefore an important consideration when assessing the effectiveness and safety of such a device. The histopathological assessment of chronic unstimulated intracochlear electrodes is now well documented (Simmons, 1967; Clark, 1973; Clark et al, 1975; Schindler and Merzenich, 1974; Schindler, 1976; Schindler et al, 1977; Sutton et al, 1980). These experimental studies have used a variety of electrode designs, materials and surgical techniques. However, all have shown that chronic implantation has little effect on the peripheral nerves and the spiral ganglion cells adjacent to an implant, provided the insertion procedure is free of trauma and infection.
Keywordsotolaryngology; electrical stimulation; cochlear implant; spiral ganglion
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- Graeme Clark Collection