Overview
This study aims to investigate the effect of stimulation parameters and different electrode modes on speech perception in adult cochlear implant recipients.
Eligibility
Inclusion Criteria:
- Implanted with the CI600 Series (CI612, CI632, CI622, CI624), CI500 Series (CI512, CI513, CI532, CI522) or Freedom Series (CI24RE(CA), CI24RE(ST), CI24RE(CS), CI422)
- At least three months after activation of the cochlear implant.
- Eighteen years or older at the time of consent.
- User of 900Hz ACE (Advanced Combination Encoder) strategy MAP.
- Score of 20% or more for CNC words presented at 60dBSPL with CI alone in the test ear.
- Fluent speaker in English.
- Willing and able to provide written informed consent.
Exclusion Criteria:
- One or more electrodes turned off in the MAP used regularly.
- Unable or unwilling to comply with the requirements of the clinical investigation as determined by the Investigator.
- Investigator site personnel directly affiliated with this study and/or their immediate families; immediate family is defined as a spouse, parent, child, or sibling.
- Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation.
- Current participation, or participation in another interventional clinical study/trial in the past 30 days, involving an investigational drug or device (unless the other investigation was/is a Cochlear sponsored investigation and determined by the investigator or Sponsor to not impact this investigation).