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1
Intracochlear Recordings of Acoustically and Electrically Evoked Potentials in Nucleus Hybrid L24 Cochlear Implant Users and Their Relationship to Speech Perception
Kim, Jae-Ryong; Tejani, Viral D.; Abbas, Paul J.. - : Frontiers Media S.A., 2017
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2
Relationships Among Peripheral and Central Electrophysiological Measures of Spatial and Spectral Selectivity and Speech Perception in Cochlear Implant Users
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3
The Relationship between Electrically Evoked Compound Action Potential and Speech Perception : A Study in Cochlear Implant Users with Short Electrode Array
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4
Auditory Nerve Fiber Responses to Combined Acoustic and Electric Stimulation
Abstract: Persons with a prosthesis implanted in a cochlea with residual acoustic sensitivity can, in some cases, achieve better speech perception with “hybrid” stimulation than with either acoustic or electric stimulation presented alone. Such improvements may involve “across auditory-nerve fiber” processes within central nuclei of the auditory system and within-fiber interactions at the level of the auditory nerve. Our study explored acoustic–electric interactions within feline auditory nerve fibers (ANFs) so as to address two goals. First, we sought to better understand recent results that showed non-monotonic recovery of the electrically evoked compound action potential (ECAP) following acoustic masking (Nourski et al. 2007, Hear. Res. 232:87–103). We hypothesized that post-masking changes in ANF temporal properties and responsiveness (spike rate) accounted for the ECAP results. We also sought to describe, more broadly, the changes in ANF responses that result from prior acoustic stimulation. Five response properties—spike rate, latency, jitter, spike amplitude, and spontaneous activity—were examined. Post-masking reductions in spike rate, within-fiber jitter and across-fiber variance in latency were found, with the changes in temporal response properties limited to ANFs with high spontaneous rates. Thus, our results suggest how non-monotonic ECAP recovery occurs for ears with spontaneous activity, but cannot account for that pattern of recovery when there is no spontaneous activity, including the results from the presumably deafened ears used in the Nourski et al. (2007) study. Finally, during simultaneous (electric+acoustic) stimulation, the degree of electrically driven spike activity had a strong influence on spike rate, but did not affect spike jitter, which apparently was determined by the acoustic noise stimulus or spontaneous activity.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084386
https://doi.org/10.1007/s10162-008-0154-7
http://www.ncbi.nlm.nih.gov/pubmed/19205803
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5
Electrically Evoked Whole Nerve Action Potentials in Ineraid Cochlear Implant Users: Responses to Different Stimulating Electrode Configurations and Comparison to Psychophysical Responses
In: Journal of speech, language, and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 39 (1996) 3, 453-467
OLC Linguistik
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6
Auditory Evoked Responses to Frequency-Modulated Tones in Children With Specific Language Impairment
In: Journal of speech, language, and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 38 (1995) 2, 387-392
OLC Linguistik
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7
Neural responses to auditory temporal patterns
In: Acoustical Society of America. The journal of the Acoustical Society of America. - Melville, NY : AIP 87 (1990) 4, 1673-1682
BLLDB
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8
The effect of stimulus repetition rate on the auditory brainstem response in tumor and nontumor patients
In: Journal of speech and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 30 (1987) 4, 494-502
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9
Effects of white noise masking and low pass filtering on speech kinematics
In: Journal of speech and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 29 (1986) 4, 549-562
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10
Recruitment patterns of motor units in speech production
In: Journal of speech and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 24 (1981) 4, 567-576
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