Clinical Evaluation of Frequency Allocation for Bimodal CI Users
NYU Langone Health
Summary
This study will examine experienced, bimodal cochlear implant (CI) patients who receive an alternative frequency allocation table (FAT) to determine how it improves sound quality, device satisfaction, and speech perception abilities with respect to the standard default FAT. The goal of this study is to investigate how improving place-pitch mismatch in bimodal CI users affects 1) sound quality, 2) satisfaction, and 3) speech perception.
Eligibility
- Age range
- 18+ years
- Sex
- All
- Healthy volunteers
- No
Inclusion Criteria: 1. Age 18 or older 2. Regular usage of a cochlear implant device with at least 18 active electrodes, and compliance with programming/appointments 3. Received a cochlear implant at least 6 months ago and use a hearing aid in the contralateral ear 4. Pure tone average (.5, 1, and 2kHz) between 30 and 70 dB (decibel) hearing level in the contralateral (hearing aid) ear 5. Standard FAT use for all programs prior to study participation 6. No known anatomical abnormalities in either ear 7. English speaking 8. No known cognitive impairments 9. At least 25% of subjects should use…
Interventions
- OtherExperimental frequency allocation table (FAT) - 438 Hz
The modified cochlear implant program ("experimental FAT") changes which frequencies are presented to the cochlear implant. The experimental FAT frequency of 438 Hz will be loaded onto the subjects processor via the CI Select Mobile App. Subjects will use the experimental FAT for one month.
- OtherStandard FAT - 188 Hz
All subjects will retain one program with the standard 188 Hz FAT. Subjects will use the standard FAT for one month.
Location
- NYU Langone HealthNew York, New York