bilateral severe-to-profound hearing loss H90
Conditions
Interventions
Group 1: application of a directional microphone technology of the CI sound processor Kanso 2
Group 2: application of another directional microphone technology of the CI sound processor Kanso 2
Sponsors
Universitätsklinikum Freiburg
Klinik für Hals-, Nasen- und Ohrenheilkunde
Sektion Cochlear Implant
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: The study participants must meet the following inclusion criteria: - Age: = 18 years - Mother tongue: German. The following inclusion criteria also apply to the study patients: - hearing thresholds right, left: = 80 dB HL on average over the frequencies 500 Hz, 1 kHz, 2 kHz and 4 kHz - unilateral or bilateral CI fitting - implants of the (better) CI: CI24M, CI24R, CI24RE, CI500 Series, CI600 Series - processor of the (better) CI: CP810, CP910, CP920, Kanso (CP950), CP1000 - hearing experience with (both) CI: = 6 months - speech intelligibility with (better) CI: SVS with OLSA for S0N0 = 5 dB SNR. The normal-hearing study probands must have hearing thresholds of = 20 dB HL on both ears at all frequencies up to 8 kHz.
Exclusion criteria
Exclusion criteria: All study participants: - cognitive impairment
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Subjective listening effort measured by the adaptive scaling method ACALES for understanding OLSA sentences in noise with presentation of speech from the front and simultaneous presentation of the noise from behind, left and right | — |
Primary
| Measure | Time frame |
|---|---|
| speech reception threshold in noise determined with OLSA sentences in noise with presentation of speech from the front and simultaneous presentation of the noise from behind, left and right | — |
Countries
Germany
Contacts
Public ContactThomas Wesarg
Universitätsklinikum Freiburg Klinik für Hals-, Nasen- und Ohrenheilkunde Sektion Cochlear Implant
Outcome results
None listed