AUDITORY SPEECH PERCEPTION IN COCHLEAR IMPLANT USERS WITH DEACTIVATED ELECTRODES: SCOPING REVIEW
DOI:
https://doi.org/10.47820/recima21.v5i3.5025Keywords:
cochlear implant, auditory speech perception, implanted electrodes, equipment failureAbstract
Objective: This study aimed to identify, synthesize and analyze the scientific knowledge produced on the auditory perception of speech in patients with cochlear implants with deactivated electrodes. Design/Methods: This is a scoping review following the PRISMA recommendations based on the following guiding question: "How is the performance of auditory speech perception in patients with cochlear implants with deactivated electrodes?". Combinations of descriptors were adapted to five electronic databases: PubMed/MEDLINE, Scopus, Embase, Web of Science, and Lilacs, using the following descriptors: cochlear implant, auditory perception, speech perception, implanted electrodes, medical equipment failure, and device failure. Among the 550 studies found, 12 were included in the sample because they met the inclusion criteria. Results: All studies in the sample analyzed cochlear implant users with deactivated electrodes for different purposes. Most of them were found to see how the number of electrodes enabled along the beam interferes with the auditory perception of speech. Conclusion: Although there is no consensus in the literature regarding the repercussions on auditory speech perception in patients with deactivated electrodes, studies have shown that there is a limitation in performance when the number of electrodes is increased beyond ten electrodes, but there is not enough evidence to support the theory that there is a decrease in speech perception in cases of electrode failure.
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