Brain scans reveal how cochlear implants rewire hearing in One-Eared deafness

NCT ID NCT03117413

Completed Knowledge-focused Sponsor: University Hospital, Toulouse Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study used PET scans to examine brain changes in 20 people with asymmetric hearing loss who received a cochlear implant. Participants performed hearing and voice perception tests while their brain activity was measured. The goal was to understand how the central auditory system reorganizes after implantation, which could inform better hearing rehabilitation.

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 help doctors understand how the brain adapts to cochlear implants, potentially improving future rehabilitation strategies.
What could go wrong: This is a small, observational study with only 20 participants. It is not testing a new treatment, so it will not directly improve hearing. Results may not apply to everyone with hearing loss.

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.

Deafness deafness, unilateral hearing loss disorder Tinnitus

As listed by the trial registrant

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

PROFOUND HEARING IMPAIRMENT

Contacts and locations

Locations

CERCO

Toulouse, Midi-Pyrénées, 31052, France
CHU de Toulouse - Hôpital Purpan

Toulouse, France, 31059, France

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