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The Role of Autosensitivity Control (ASC) in Cochlear Implant Recipients

1
Department of Specialist Surgical Sciences, Audiology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
2
Department of Clinical Sciences and Community Health, University of Milan, 20122 Milano, Italy
3
Italian Association “Liberi di Sentire”, formerly Director (SB) and Assistant (LDC) at Audiovestibology Unit Varese Hospital, 21100 Varese, Italy
*
Author to whom correspondence should be addressed.
Audiol. Res. 2021, 11(1), 22-30; https://doi.org/10.3390/audiolres11010003
Received: 30 December 2020 / Revised: 11 January 2021 / Accepted: 12 January 2021 / Published: 21 January 2021
The purpose of the study was to examine the subjective and objective potential advantage for speech understanding in noise achieved by cochlear implant (CI) recipients when using the autosensitivity control (ASC) input signal processing in combination with the adaptive dynamic range optimization (ADRO). Eighteen subjects (8 females, 10 males, mean age 17.7 ± 6.7) were enrolled in a prospective open blinded comparative study between the ASC + ADRO condition vs. the ADRO alone; 16 were sequential binaural and 2 were monoaural CI recipients. All patients had been wearing their CI for at least 3 years, had no additional disabilities, had an age-appropriate receptive and expressive language. Word recognition performances in noise (at signal-to-noise ratio +5 dB HL) were significantly better in the ADRO-alone condition than in the ADRO + ASC condition. (p = 0.03) These objective outcomes were in agreement with the subjective reports. No significant difference was found in quiet. Our results, apparently in contrast with other reports in the literature, suggest that the decision of adding the slow-acting automatic reduction in microphone sensitivity provided by ASC should be limited to selected CI recipients. View Full-Text
Keywords: ADRO; ASC; CI; cochlear implantation; word recognition score; speech in noise; fitting ADRO; ASC; CI; cochlear implantation; word recognition score; speech in noise; fitting
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MDPI and ACS Style

Di Berardino, F.; Zanetti, D.; Soi, D.; Costa, L.D.; Burdo, S. The Role of Autosensitivity Control (ASC) in Cochlear Implant Recipients. Audiol. Res. 2021, 11, 22-30. https://doi.org/10.3390/audiolres11010003

AMA Style

Di Berardino F, Zanetti D, Soi D, Costa LD, Burdo S. The Role of Autosensitivity Control (ASC) in Cochlear Implant Recipients. Audiology Research. 2021; 11(1):22-30. https://doi.org/10.3390/audiolres11010003

Chicago/Turabian Style

Di Berardino, Federica; Zanetti, Diego; Soi, Daniela; Costa, Lara D.; Burdo, Sandro. 2021. "The Role of Autosensitivity Control (ASC) in Cochlear Implant Recipients" Audiol. Res. 11, no. 1: 22-30. https://doi.org/10.3390/audiolres11010003

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