Deafness
Conditions
Brief summary
The primary objective to this study is to describe bilateral auditory information processing in profoundly deaf patients with bilateral cochlear implants compared with normal hearing patients. Assumption used is that due to the central consequences of bilateral deafness on binaural auditory information central processing, time between activation of the two cochlear implants is a decisive factor in bilateral implantation compared to unilateral implantation
Interventions
OTHERPositron Emission Tomography (PET)
Sponsors
Hospices Civils de Lyon
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
for patients: \- profoundly deaf patients with bilateral cochlear implants
Exclusion criteria
for patients: * post-operative complications * incomplete surgical insertion of one of the cochlear implant * age under 18 years * non-compliant patient * pregnant woman or woman with no efficient contraception method * informed consent not signed * no health insurance Inclusion criteria for control \- normal hearing subjects
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Cortical brain activation pattern | 6 months | Cortical brain activation pattern obtained by PET or EEG cartography. Activation pattern will be compared between normal hearing subjects and deaf adults with bilateral cochlear implants |
Countries
France
Outcome results
None listed