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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
20
Anatomy-based programming of the speech processor of the cochlear implant
Default programming of the speech processor of the cochlear implant according to standard clinical practice
Antwerp University Hopsital
Antwerp, Belgium
RECRUITINGSpeech 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
Time frame: 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
Time frame: 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
Time frame: 12 months post-activation of the audioprocessor
Pitch ranking
Frequency difference in semitones between CI and NH
Time frame: 3 months post-activation
Pitch ranking
Frequency difference in semitones between CI and NH
Time frame: 6 months post-activation
Pitch ranking
Frequency difference in semitones between CI and NH
Time frame: 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.
Time frame: 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.
Time frame: 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.
Time frame: 12 months post-activation
Localization
Root mean square localization error (RMSE) in degrees
Time frame: 3 months post-activation
Localization
Root mean square localization error (RMSE) in degrees
Time frame: 6 months post-activation
Localization
Root mean square localization error (RMSE) in degrees
Time frame: 12 months post-activation
Melodic interval perception
Psychometric function of melodic intervals
Time frame: 3 months post-activation
Melodic interval perception
Psychometric function of melodic intervals
Time frame: 6 months post-activation
Melodic interval perception
Psychometric function of melodic intervals
Time frame: 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)
Time frame: 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)
Time frame: 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)
Time frame: 12 months post-activation
HISQUI19 questionnaire
Total score and classification of self-perceived auditory benefit. The 19 items are rated on a 7-point Likert scale ranging from always (99%) to never (1%). To calculate the overall score the corresponding numerical value of each item (from always = 7 to never = 1) is added. Uncompleted items and the response option "not applicable" correspond to 0 in this calculation. A total score of less than 30, 30-59, 60-89, 90-109, and 110-133 is respectively classified as a very poor, poor, moderate, good, and very good self-perceived auditory benefit.
Time frame: 3 months post-activation
HISQUI19 questionnaire
Total score and classification of self-perceived auditory benefit. The 19 items are rated on a 7-point Likert scale ranging from always (99%) to never (1%). To calculate the overall score the corresponding numerical value of each item (from always = 7 to never = 1) is added. Uncompleted items and the response option "not applicable" correspond to 0 in this calculation. A total score of less than 30, 30-59, 60-89, 90-109, and 110-133 is respectively classified as a very poor, poor, moderate, good, and very good self-perceived auditory benefit.
Time frame: 6 months post-activation
HISQUI19 questionnaire
Total score and classification of self-perceived auditory benefit. The 19 items are rated on a 7-point Likert scale ranging from always (99%) to never (1%). To calculate the overall score the corresponding numerical value of each item (from always = 7 to never = 1) is added. Uncompleted items and the response option "not applicable" correspond to 0 in this calculation. A total score of less than 30, 30-59, 60-89, 90-109, and 110-133 is respectively classified as a very poor, poor, moderate, good, and very good self-perceived auditory benefit.
Time frame: 12 months post-activation
Speech, Spatial and Qualities of Hearing scale (SSQ12)
Total score and score in the speech, spatial and quality domain. The 12 items of this questionnaire are rated on a visual analog scale from 0 to 10 and the overall score is calculated by taking the average of the scores of these 12 items. For the overall score and the score on each subdomain, the score ranges between 0-10 and a higher score indicates a better outcome.
Time frame: 3 months post-activation
Speech, Spatial and Qualities of Hearing scale (SSQ12)
Total score and score in the speech, spatial and quality domain. The 12 items of this questionnaire are rated on a visual analog scale from 0 to 10 and the overall score is calculated by taking the average of the scores of these 12 items. For the overall score and the score on each subdomain, the score ranges between 0-10 and a higher score indicates a better outcome.
Time frame: 6 months post-activation
Speech, Spatial and Qualities of Hearing scale (SSQ12)
Total score and score in the speech, spatial and quality domain. The 12 items of this questionnaire are rated on a visual analog scale from 0 to 10 and the overall score is calculated by taking the average of the scores of these 12 items. For the overall score and the score on each subdomain, the score ranges between 0-10 and a higher score indicates a better outcome.
Time frame: 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.
Time frame: 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.
Time frame: 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.
Time frame: 12 months post-activation
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