The effect of advanced age on the electrode-neuron interface in cochlear implant users

J Skidmore, BL Carter, WJ Riggs, S He - Ear and hearing, 2022 - journals.lww.com
Objectives: This study aimed to determine the effect of advanced age on how effectively a
cochlear implant (CI) electrode stimulates the targeted cochlear nerve fibers (ie, the …

Identifying cochlear implant channels with relatively poor electrode-neuron interfaces using the electrically evoked compound action potential

KN Jahn, JG Arenberg - Ear and Hearing, 2020 - journals.lww.com
Objectives: The primary objective of this study was to quantify local (within ear) and global
(between ear) variation in the cochlear implant (CI) electrode-neuron interface (ENI) using …

Insights Into Electrophysiological Metrics of Cochlear Health in Cochlear Implant Users Using a Computational Model

M Takanen, S Strahl, K Schwarz - Journal of the Association for Research …, 2024 - Springer
Purpose The hearing outcomes of cochlear implant users depend on the functional status of
the electrode-neuron interface inside the cochlea. This can be assessed by measuring …

Neural adaptation of the electrically stimulated auditory nerve is not affected by advanced age in postlingually deafened, middle-aged, and elderly adult cochlear …

S He, J Skidmore, S Conroy, WJ Riggs, BL Carter… - Ear and …, 2022 - journals.lww.com
Objective: This study aimed to investigate the associations between advanced age and the
amount and the speed of neural adaptation of the electrically stimulated auditory nerve (AN) …

[HTML][HTML] Reexamining the effects of electrode location on measures of neural health in cochlear implant users

KC Schvartz-Leyzac, BE Pfingst - JASA Express Letters, 2023 - pubs.aip.org
The electrically evoked compound action potentials (ECAPs) amplitude-growth function
(AGF) slope correlates with spiral ganglion neuron (SGN) density in the cochlear implanted …

The estimated electrode-neuron interface in cochlear implant listeners is different for early-implanted children and late-implanted adults

M DiNino, G O'Brien, SM Bierer, KN Jahn… - Journal of the …, 2019 - Springer
Cochlear implant (CI) programming is similar for all CI users despite limited understanding
of the electrode-neuron interface (ENI). The ENI refers to the ability of each CI electrode to …

Electrophysiological estimates of the electrode–neuron interface differ between younger and older listeners with cochlear implants

KN Jahn, JG Arenberg - Ear and Hearing, 2020 - journals.lww.com
Objectives: The primary objective of this study was to quantify differences in evoked potential
correlates of spiral ganglion neuron (SGN) density between younger and older individuals …

The Effect of Aging on Auditory Nerve Function: Insights from Intraoperative eCAP Recordings in Cochlear Implant Users

BS Mussoi, E Woodson, S Sydlowski - Otology & Neurotology, 2023 - journals.lww.com
Background Advanced age is associated with poorer speech perception outcomes in
cochlear implant (CI) users. In an effort to improve our understanding of the basis for this …

[HTML][HTML] Suprathreshold compound action potential amplitude as a measure of auditory function in cochlear implant users

RA Scheperle - Journal of Otology, 2017 - Elsevier
Electrically evoked compound action potential (eCAP) amplitudes elicited at suprathreshold
levels were assessed as a measure of the effectiveness of cochlear implant (CI) stimulation …

Across-site patterns of electrically evoked compound action potential amplitude-growth functions in multichannel cochlear implant recipients and the effects of the …

KC Schvartz-Leyzac, BE Pfingst - Hearing research, 2016 - Elsevier
Electrically evoked compound action potential (ECAP) measures of peak amplitude, and
amplitude-growth function (AGF) slope have been shown to reflect characteristics of …