The Effect of Anatomy-based Fitting on the Perception of Speech in Noise and Music in Single-sided Deaf Cochlear Implant Users

Who can take part

• Age ≥ 18 years
• Post-lingual onset of unilateral severe-to-profound sensorineural hearing loss
• Contralateral hearing < 30 dB HL (PTA measured at 500Hz, 1kHz, 2kHz en 4 kHz)
• Post-operative Computed Tomography (CT) scan of the CI elec-trode available
• Subject implanted with MED-EL cochlear implant(s)
• Subjects received a Flex20, Flex24, Flex28, FlexSoft, Flex34 or Standard electrode
• Subject planned to receive a SONNET 2, SONNET 3 or RONDO 3 audio processor on the newly implanted side
• Newly implanted CI users
• The most apical active electrode contact has to be inserted at least 540°
• Minimum of 10 active channels can be activated
• Fluent in the language of the test centre
• Signed and dated Informed Consent Form (ICF) before the start of any study-specific procedure

Who cannot take part

• Lack of compliance with any inclusion criteria
• Implanted with C40+, C40X and C40C
• Implanted with an ABI or Split electrode array
• Anything that, in the opinion of the Investigator, would place the subject at increased risk or preclude the subject's full compliance with or completion of the study