Cochlear implants (CIs) restore hearing in people with severe-to-profound hearing loss, but how behavioral and neural adaptations unfold after implantation remains unclear, particularly during continuous speech processing. Most longitudinal studies of postimplant plasticity have used simple auditory stimuli, limiting insight into continuous-speech processing in complex environments....
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Discussion
Signed responses from readers of the wire.
Audiologists managing cochlear implant recipients should anticipate prolonged neural and behavioral adaptation periods; longitudinal follow-up and ongoing rehabilitation programming are clinically warranted based on this evidence.
Understanding the timeline and nature of neural plasticity following cochlear implantation can guide rehabilitation protocols and help set realistic patient expectations for long-term outcomes.
- 01Longitudinal PNAS study tracks neural and behavioral changes in cochlear implant users over time.
- 02Participants had severe-to-profound hearing loss prior to implantation.
- 03Both brain (neural) and behavioral hearing abilities continue adapting well beyond initial device fitting.
- 04Findings support the need for extended post-implantation auditory rehabilitation.
- 05Results have implications for how CI programs structure long-term patient follow-up.
Neural and behavioral systems undergo significant longitudinal adaptations following cochlear implantation in people with severe-to-profound hearing loss.
studysupported- PMID
- 42804642
- DOI
- 10.1073/pnas.2613077123.
- Journal
- Proceedings of the National Academy of Sciences
- Publication type
- research_article
- Evidence level
- 2b
- Population
- Adults with severe-to-profound hearing loss receiving cochlear implants
- Intervention
- Cochlear implant (hearing restoration)
Primary outcomes
Longitudinal neural adaptations; Longitudinal behavioral hearing outcomes