Cochlear health and cochlear-implant function

KC Schvartz-Leyzac, DJ Colesa, DL Swiderski… - Journal of the …, 2023 - Springer
The cochlear implant (CI) is widely considered to be one of the most innovative and
successful neuroprosthetic treatments developed to date. Although outcomes vary, CIs are …

The panoramic ECAP method: estimating patient-specific patterns of current spread and neural health in cochlear implant users

C Garcia, T Goehring, S Cosentino, RE Turner… - Journal of the …, 2021 - Springer
The knowledge of patient-specific neural excitation patterns from cochlear implants (CIs) can
provide important information for optimizing efficacy and improving speech perception …

Design of a bone-guided cochlear implant microsystem with monopolar biphasic multiple stimulations and evoked compound action potential acquisition and its in …

SH Wang, YK Huang, CY Chen… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
A CMOS bone-guided cochlear implant (BGCI) microsystem is proposed and verified. In the
implanted System on Chip (SoC) of the proposed BGCI, the evoked compound action …

Polarity sensitivity as a potential correlate of neural degeneration in cochlear implant users

Q Mesnildrey, F Venail, RP Carlyon… - Journal of the Association …, 2020 - Springer
Cochlear implant (CI) performance varies dramatically between subjects. Although the
causes of this variability remain unclear, the electrode-neuron interface is thought to play an …

[HTML][HTML] The effect of stimulus level on excitation patterns of individual electrode contacts in cochlear implants

JD Biesheuvel, JJ Briaire, RK Kalkman, JHM Frijns - Hearing Research, 2022 - Elsevier
Objective Spread of excitation (SOE) in cochlear implants (CI) is a measure linked to the
specificity of the electrode-neuron interface. The SOE can be estimated objectively by …

Intraoperative transimpedance and spread of excitation profile correlations with a lateral-wall cochlear implant electrode array

S Söderqvist, S Lamminmäki, A Aarnisalo, T Hirvonen… - Hearing Research, 2021 - Elsevier
A limiting factor of cochlear implant technology is the spread of electrode-generated
intracochlear electrical field (EF) leading to spread of neural excitation (SOE). In this study …

SpeedCAP: an efficient method for estimating neural activation patterns using electrically evoked compound action-potentials in cochlear implant users

C Garcia, JM Deeks, T Goehring, D Borsetto… - Ear and …, 2023 - journals.lww.com
Objectives: Electrically evoked compound action-potentials (ECAPs) can be recorded using
the electrodes in a cochlear implant (CI) and represent the synchronous responses of the …

Characterization of cochlear, vestibular and cochlear-vestibular electrically evoked compound action potentials in patients with a vestibulo-cochlear implant

TAK Nguyen, S Cavuscens, M Ranieri… - Frontiers in …, 2017 - frontiersin.org
The peripheral vestibular system is critical for the execution of activities of daily life as it
provides movement and orientation information to motor and sensory systems. Patients with …

Using spectral blurring to assess effects of channel interaction on speech-in-noise perception with cochlear implants

T Goehring, JG Arenberg, RP Carlyon - … of the Association for Research in …, 2020 - Springer
Cochlear implant (CI) listeners struggle to understand speech in background noise.
Interactions between electrode channels due to current spread increase the masking of …

Effect of stimulus polarity on physiological spread of excitation in cochlear implants

ER Spitzer, ML Hughes - Journal of the American Academy of …, 2017 - thieme-connect.com
Contemporary cochlear implants (CIs) use cathodic-leading, symmetrical, biphasic current
pulses, despite a growing body of evidence that suggests anodic-leading pulses may be …