Psychophysical matching of sensations produced by acoustic and electrical stimulation of the auditory nerve [Abstract]
AuthorBlamey, P. J.; Dowell, R. C.; Tong, Y.C.; Clark, Graeme M.
Source TitleMechanisms of Hearing
PublisherMonash University Press
Document TypeConference Item
CitationsBlamey, P. J., Dowell, R. C., Tong, Y., & Clark, G. M. (1983). Psychophysical matching of sensations produced by acoustic and electrical stimulation of the auditory nerve [Abstract]. In W. R. Webster & L. M. Aitkin (Ed.), Mechanisms of Hearing, pp. 222. Clayton: Monash University Press.
Access StatusOpen Access
This is an abstract of a paper presented at a symposium on the Mechanisms of Hearing, held at Monash University, Melbourne, Australia from August 23-27, 1983. This version is reproduced with the permission of Monash University Press.
The aim of this study was to establish an acoustic model of a multiple-channel cochlear implant that could be used in the development of speech coding strategies. Identical psychophysical tests were carried out with electrical stimuli for two cochlear implant patients and with acoustic stimuli for three normally hearing listeners. Each electrical stimulus was a train of biphasic pulses at a constant rate between 50 and 100 pps directed to one of the 10 electrodes spaced at 1.5mm intervals around the basal turn of the cochlea (Clark et al. 1977). The corresponding acoustic stimulus was a train of noise bursts at a rate equal to the electrical pulse rate. The noise bursts were passed through one of 8 bandpass filters with centre frequencies equally spaced on a logarithmic scale from 1140 to 10880 Hz representing 8 different electrodes.
Keywordsotolaryngology; cochlear implant; electrical stimulation psychophysical studies
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- Graeme Clark Collection