Brain wave test may reveal hidden hearing in implant users

NCT ID NCT03025386

Terminated Knowledge-focused Sponsor: University Hospital, Montpellier Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether a brain wave test called mismatch negativity (MMN) can measure how well adult cochlear implant users can tell apart similar sounds. Researchers compared the brain wave results to a standard hearing test using made-up words (logatoms). The goal was to find an objective way to check hearing, especially for people who cannot easily respond, like infants. However, the study was terminated early, so the findings are incomplete.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this could lead to an objective hearing test for cochlear implant users, especially helping infants who cannot describe what they hear.
What could go wrong: The study was terminated early, so results are limited. The approach is still experimental and may not prove reliable enough for routine use.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

sensorineural hearing loss disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

COCHLEAR IMPLANT

Contacts and locations

Locations

CHU Montpellier

Montpellier, 34000, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.