Estimation of the effective spread of neural excitation produced by a bipolar pair of scala tympani electrodes
AuthorTong, Y. C.; Clark, Graeme M.; Lim, H. H.
Source TitleAnnals of Otology, Rhinology & Laryngology
University of Melbourne Author/sClark, Graeme
Document TypeJournal Article
CitationsTong, Y. C., Clark, G. M., & Lim, H. H. (1987). Estimation of the effective spread of neural excitation produced by a bipolar pair of scala tympani electrodes. Annals of Otology, Rhinology & Laryngology, January-February, 96(1, part 2, suppl.128), 37-38.
Access StatusOpen Access
This is a publisher’s version of an article published in Annals of Otology, Rhinology & Laryngology published by Annals Publishing Company. This version is reproduced with permission from Annals Publishing Company. http://www.annals.com/
Psychophysical studies were conducted on two multichannel cochlear implant patients for electrical stimulation of two bipolar electrode pairs in the human cochlea. Loudness summation was approximately complete for spatial separation of about 3 mm between the two electrode pairs. At comfortable loudness, the effective spread of neural excitation produced by a bipolar pair of scala tympani electrodes was estimated to be 3 to 4 mm on the basis of both loudness summation and forward masking results.
Keywordsotology; scala tympani electrodes; cochlear implant patients
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- Graeme Clark Collection