Correlation of electric field and pitch discrimination in Cochlear Implant users

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00038691

Enrollment

Registered

2026-01-21

Start date

2026-01-08

Completion date

Unknown

Last updated

2026-02-02

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

Conditions

H90 Z96.2

Interventions

Group 1: Cochlear Implant users are undertaken electrophysiological measurements, audiometric measurements and and an ACFC-test for pitch discrimination in one sitting.

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Cochlear Implant users by Cochlear and MedEl at least 6 months CI-experience

Exclusion criteria

Exclusion criteria: more than 2 deactivated electrodes malformation of the cochlea incomplete insertion of the electrode pregnancy cocgnitive impairments

Design outcomes

Primary

Measure	Time frame
Correlation of pitch JND and effective field width in the cochlea one time measurement AFC test for pith discrimination, transimpendance measurement	—

Secondary

Measure	Time frame
Impact of electrode position on pitch JND Comparison of pitch JND for different pitch ranges Comparison of pitch JND for different timbres Correlation of Freiburger Einsilbertest at 65 dB and JND	—

Countries

Germany

Contacts

Public ContactLuise Wagner

Universitätsmedizin Halle, Hals-, Nasen-, Ohrenheilkunde, Kopf- und Halschirurgie

luise.wagner@uk-halle.de+49 345 557 3142

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 7, 2026