profound hearing loss (cochlear implant users)
Conditions
Interventions
None listed
Sponsors
Shizuoka General Hospital, Hearing Center
Shizuoka Graduate University of Public Health, NTT Communication Science Laboratories
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Cochlear implant (CI) users and normal-hearing subjects as comparators CI users (1) CI users aged between 15 years (*)*1 and 80 years at the time consent is obtained. (2) Those who have given written consent of their own free will with full understanding of their participation in the study. In the case of minors (under 18 years of age), written consent must also be obtained from a substitute consenting party. (3) Subjects who underwent CI implantation at Shizuoka Prefectural General Hospital. (*1) Considering the subject's ability to give consent, it is desirable that the subject should be at least 18 years of age. In the case of normal hearing people (1) Aged between 18 and 80 years at the time of obtaining consent. (2) All 250-8000 Hz hearing levels are below 20 dB in pure tone audiometry (conducted after consent has been obtained). (3) Those who have fully understood and given their free and voluntary written consent to participate in the study.
Exclusion criteria
Exclusion criteria: none
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| auditory selectivity of modulation frequency | — |
Secondary
| Measure | Time frame |
|---|---|
| Pure tone/complex tone detection threshould, amplitude modulation detection threshold, frequency discrimination threshold, pitch identification accuracy, speech recognition performance | — |
Countries
Japan
Contacts
Public ContactMasako Kanamaru
Shizuoka General Hospital Hearing Center
Outcome results
None listed