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PubMed · 17043265

Central auditory development in children with bilateral cochlear implants.

Paul W Bauer·Anu Sharma·Kathryn Martin·Michael Dorman
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Abstract

OBJECTIVE: To examine the time course of maturation of P1 latencies in infant sequential and simultaneous bilateral cochlear implant recipients. DESIGN: Retrospective case series. SETTING: Pediatric collaborative cochlear implant program. PATIENTS: Four children who received bilateral cochlear implants prior to age 2 years. INTERVENTION: Cortical auditory evoked potential was completed to determine the latency of the P1 response in 4 children with bilateral cochlear implants. MAIN OUTCOME MEASURES: Longitudinal development of the latency of the P1 cortical auditory evoked potential in children who received bilateral cochlear implants prior to age 2 years. RESULTS: In 2 patients who received sequential bilateral implants, P1 latencies recorded from the first implanted ear were within normal limits after 3 to 6 months of implant use. By comparison, P1 latencies from the second implanted ear reached normal limits as early as 1 month after implant use. In 2 patients who received simultaneous bilateral implants, P1 latencies from both ears were also within normal limits in a very short time frame (ie, by 1 month poststimulation). CONCLUSIONS: Our data suggest a high degree of plasticity of the central auditory pathways after early bilateral implantation. We find that P1 latencies provide a clinically useful biomarker of central auditory system development in children after cochlear implantation.

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Auditory CortexChild, PreschoolCochlear ImplantsEvoked Potentials, AuditoryHearing Loss, SensorineuralHumansInfantReaction TimeJournal ArticleResearch Support, N.I.H., Extramural

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Paul W Bauer, Anu Sharma, Kathryn Martin, Michael Dorman. 2006. Central auditory development in children with bilateral cochlear implants.. https://doi.org/10.1001/archotol.132.10.1133

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