Cochlear Implant Listeners
Conditions
Brief summary
Cochlear implants (CIs) have restored some sense of hearing to more than 120 000 people worldwide. While most patients show good scores of speech recognition in quiet, a large majority of them also struggle in more challenging listening situations, such as speech in noise or music. This project aims to understand the basic mechanisms of electrical stimulation of the auditory nerve, in order to identify the important cues that the electrical signal should convey and to possible improve sound perception by CI users.
Detailed description
This study will take place in the ENT department of La Timone hospital in Marseille, where more than 120 adults have been implanted. Our study will comprise several phases, including (1) temporal coding of pitch, (2) spatial coding of pitch, and (3) loudness perception. Eight adult implant users will be recruited for each of these phases.
Interventions
DEVICECochlear implants
Sponsors
Assistance Publique Hopitaux De Marseille
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* The adults of more than 18 years old at the beginning of the study without notion of minimal or maximal duration of setting-up(presence). * The adults WITH cochlear implant listeners .
Exclusion criteria
* Presence of intrusive disorders of the personality or mental deficiency. Presence of associated driving disorders. Pregnant or breast-feeding woman.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Identify waveforms aimed to improve sound perception by CI recipients | 2 YEARS |
Secondary
| Measure | Time frame |
|---|---|
| To correlate the results of our measures psychophysiques with recordings électrophysiologiques of the neuronal activity of the hearing nerve. | 2 YEARS |
Countries
France
Outcome results
None listed