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Cochlear Implants, speech perception, and cognitive load

Cochlear Implants, speech perception, and cognitive load - CI_Cog

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00036959
Enrollment
60
Registered
2025-05-20
Start date
2025-07-15
Completion date
Unknown
Last updated
2025-10-06

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

Conditions

H90.5

Interventions

Group 1: Cochlear implant recipients. Assessment of speech recognition, listening effort using pupillometry and attention using eye-tracking. Additional tests of cognitive abilities. Three appointment

Sponsors

Universitäts-HNO-Klinik Köln, Jean Uhrmacher Institut
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Participants with cochlear implants. Normal-hearing listeners as a 'control group'. Normal or corrected-to-normal vision. Since speech tests are conduced very good German language knowledge is necessary.

Exclusion criteria

Exclusion criteria: Insufficient knowledge of German, insufficient speech recognition, visual impairment, known cognitive impairment

Design outcomes

Primary

MeasureTime frame
Speech recognition with varying cognitive load on memory and attention, determined by speech audiometry using the Oldenburg sentence test at the time of the examination.

Secondary

MeasureTime frame
Listening effort with varying cognitive load on memory and attention, determined by changes in pupil size (pupillometry) at the time of the examination. Fokus of attention, determined by recording the direction of gaze (eye tracking) in a visual world paradigm at the time of the examination.

Countries

Germany

Contacts

Public ContactHartmut Meister

Universitäts-HNO-Klinik Köln, Jean Uhrmacher Institut

hartmut.meister@uni-koeln.de+49 221 47897003

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026