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The present study evaluates the effect of anatomy-based fitting on speech perception in noise and music perception in newly implanted single-sided deaf (SSD) CI recipients. Speech perception in noise will be assessed using different spatial configurations of speech and noise. Music perception will be evaluated using objective measurements for melody, harmony, timbre and pitch and using a subjective questionnaire, the Music and Cochlear implant questionnaire (MCIQ). Furthermore, localization and self-reported hearing benefit (HISQUI19, SSQ12) will be assessed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Anatomy-based fitting | Active Comparator | Anatomy-based programming of the speech processor of the cochlear implant |
|
| Default fitting | Active Comparator | Default programming of the speech processor of the cochlear implant according to standard clinical practice |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Anatomy-based fitting | Device | Anatomy-based programming of the speech processor of the cochlear implant |
|
| Measure | Description | Time Frame |
|---|---|---|
| Speech perception in noise | Speech reception threshold in dB SNR for the following spatial configurations: S0N0, S0NSSD and SSSDNNH, measured with and without the cochlear implant | 3 months post-activation of the audioprocessor |
| Speech perception in noise | Speech reception threshold in dB SNR for the following spatial configurations: S0N0, S0NSSD and SSSDNNH, measured with and without the cochlear implant | 6 months post-activation of the audioprocessor |
| Speech perception in noise | Speech reception threshold in dB SNR for the following spatial configurations: S0N0, S0NSSD and SSSDNNH, measured with and without the cochlear implant | 12 months post-activation of the audioprocessor |
| Measure | Description | Time Frame |
|---|---|---|
| Pitch ranking | Frequency difference in semitones between CI and NH | 3 months post-activation |
| Pitch ranking | Frequency difference in semitones between CI and NH |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Griet Mertens, Prof. | University Hospital, Antwerp | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Antwerp University Hopsital | Recruiting | Antwerp | 2650 | Belgium |
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| Default fitting | Device | Default programming of the speech processor of the cochlear implant according to standard clinical practice |
|
| 6 months post-activation |
| Pitch ranking | Frequency difference in semitones between CI and NH | 12 months post-activation |
| Perception of timbre | Score on Visual Analog Scale (VAS). Patients have to rate the timbre on a visual analog scale (VAS) ranging from 0 to 10, with a score of 5 indicating a similar timbre between CI and NH. | 3 months post-activation |
| Perception of timbre | Score on Visual Analog Scale (VAS). Patients have to rate the timbre on a visual analog scale (VAS) ranging from 0 to 10, with a score of 5 indicating a similar timbre between CI and NH. | 6 months post-activation |
| Perception of timbre | Score on Visual Analog Scale (VAS). Patients have to rate the timbre on a visual analog scale (VAS) ranging from 0 to 10, with a score of 5 indicating a similar timbre between CI and NH. | 12 months post-activation |
| Localization | Root mean square localization error (RMSE) in degrees | 3 months post-activation |
| Localization | Root mean square localization error (RMSE) in degrees | 6 months post-activation |
| Localization | Root mean square localization error (RMSE) in degrees | 12 months post-activation |
| Melodic interval perception | Psychometric function of melodic intervals | 3 months post-activation |
| Melodic interval perception | Psychometric function of melodic intervals | 6 months post-activation |
| Melodic interval perception | Psychometric function of melodic intervals | 12 months post-activation |
| Sound quality | Sound quality ratings of four groups of piano samples ranging from consonant (group A) to most dissonant (group D) | 3 months post-activation |
| Sound quality | Sound quality ratings of four groups of piano samples ranging from consonant (group A) to most dissonant (group D) | 6 months post-activation |
| Sound quality | Sound quality ratings of four groups of piano samples ranging from consonant (group A) to most dissonant (group D) | 12 months post-activation |
| HISQUI19 questionnaire | Total score and classification of self-perceived auditory benefit | 3 months post-activation |
| HISQUI19 questionnaire | Total score and classification of self-perceived auditory benefit | 6 months post-activation |
| HISQUI19 questionnaire | Total score and classification of self-perceived auditory benefit | 12 months post-activation |
| Speech, Spatial and Qualities of Hearing scale (SSQ12) | Total score and score in the speech, spatial and quality domain | 3 months post-activation |
| Speech, Spatial and Qualities of Hearing scale (SSQ12) | Total score and score in the speech, spatial and quality domain | 6 months post-activation |
| Speech, Spatial and Qualities of Hearing scale (SSQ12) | Total score and score in the speech, spatial and quality domain | 12 months post-activation |
| Music and cochlear implant questionnaire (MCIQ) | Qualitative interpretation of questionnaire subdomains: motivation to listen to music, musical behavior, musical preferences, music perception abilities, sound quality perception, musical background and music rehabilitation. | 3 months post-activation |
| Music and cochlear implant questionnaire (MCIQ) | Qualitative interpretation of questionnaire subdomains: motivation to listen to music, musical behavior, musical preferences, music perception abilities, sound quality perception, musical background and music rehabilitation. | 6 months post-activation |
| Music and cochlear implant questionnaire (MCIQ) | Qualitative interpretation of questionnaire subdomains: motivation to listen to music, musical behavior, musical preferences, music perception abilities, sound quality perception, musical background and music rehabilitation. | 12 months post-activation |
| ID | Term |
|---|---|
| D006319 | Hearing Loss, Sensorineural |
| ID | Term |
|---|---|
| D034381 | Hearing Loss |
| D006311 | Hearing Disorders |
| D004427 | Ear Diseases |
| D010038 | Otorhinolaryngologic Diseases |
| D012678 | Sensation Disorders |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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