Deafness Profound Sensorineural Hearing Loss
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Age >= 18 years. • Capable to provide informed consent. • Dutch as native language. • Suffering from bilateral deafness for which a cochlear implant (CI) is the best suitable treatment as decided by the CI-team of the UMC Utrecht. • The chosen type of CI must be supported by the available test equipment.
Exclusion criteria
Exclusion criteria: • Neurological or mental disorders. • Use of anticonvulsant medication or psychotherapeutic drugs. • No measurable eCAPs on any of the available electrodes.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The effect of varying stimulation parameters (IPG, PD, and IPI) on the characteristics of the nerve and brainstem response and the correlation of that effect with speech perception performance. | — |
Secondary
| Measure | Time frame |
|---|---|
| The correlation between speech perception and tone decay. The correlation between nerve and brainstem responses and tone decay. | — |
Countries
Netherlands