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Recognizing Changes in Sound Patterns Provided via a Cochlear Implant

Spectro-temporal discrimination via direct stimulation of the cochlear implant - Cochlear implant electrode discrimination using reaction times

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON57903
Enrollment
30
Registered
2025-03-03
Start date
2026-01-12
Completion date
Unknown
Last updated
2026-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

perceptive hearing loss, deafness

Interventions

In this study, up to 30 CI users will participate in psychophysical testing

Sponsors

Leids Universitair Medisch Centrum
Lead Sponsor

Eligibility

Age
16 Years to 99 Years

Inclusion criteria

Inclusion criteria: In order to be eligible to participate in this study, a subject must meet all of the following criteria:•                      Postlingually deafened adults (>16 years).•                      Legally capable•                      Excellent spoken and written Dutch, at the level of a ‘native’.•                      Implanted with a cochlear implant of Advanced Bionics on one or both ears.•                      At least 12 months experience with their Cl (experienced subjects).

Exclusion criteria

Exclusion criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study:Disorders other than a hearing impairment that could affect the study results.Not able to complete 4 hours of testing.Electrode-contacts with impedances larger than 15 kOhm are excluded from the measurement, but this is not an exclusion criterion for the whole subject.

Design outcomes

Primary

MeasureTime frame
Reaction time performance on three psychophysical tasks. Also performance on audiological tasks (e.g., speech recognition scores). 

Secondary

MeasureTime frame
Speech understanding scores, such as the Dutch consonant-vowel-consonant test (“NVA”-test) and the digits-in-noise test. Other secondary study parameters are medical or technical information of the subject, used to explain the results.

Countries

Netherlands

Contacts

Public ContactJ.H.M. Frijns

Leids Universitair Medisch Centrum

kno-onderzoek@lumc.nl+31 (0) 71 526 81 68

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Feb 3, 2026