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Article

Speech Perception Changes in the Acoustically Aided, Nonimplanted Ear after Cochlear Implantation: A Multicenter Study

1
Department of Otolaryngology-Head and Neck Surgery, NYU Grossman School of Medicine, New York University, New York, NY 10016, USA
2
Neuroscience Institute, NYU Grossman School of Medicine, New York University, New York, NY 10016, USA
3
Center for Neural Science, New York University, New York, NY 10003, USA
4
Cochlear Americas, Denver, CO 80124, USA
5
Human Auditory Development Lab, Boys Town National Research Hospital, Omaha, NE 68131, USA
6
Otolaryngology Head and Neck Surgery, Stanford Medicine, Stanford, CA 94305, USA
7
Department of Teleaudiology and Screening, World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw/Kajetany, 02-042 Warsaw, Poland
8
Heart Failure and Cardiac Rehabilitation Department, Medical University of Warsaw, 02-091 Warsaw, Poland
9
Institute of Sensory Organs, Kajetany, 05-830 Warsaw, Poland
10
Department of Otorhinolaryngosurgery, World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw/Kajetany, 02-042 Warsaw, Poland
11
INSERM U1028, Lyon Neuroscience Research Center, Equipe IMPACT, 69000 Lyon, France
12
CNRS UMR5292, Lyon Neuroscience Research Center, Equipe IMPACT, 69000 Lyon, France
13
Medel France, 06160 Antibes, France
14
De Oorgroep, Herentalsebaan 75, B-2100 Antwerp-Deurne, Belgium
15
Université Laval, 1050, Avenue de la Médecine, Québec, QC G1V 0A6, Canada
16
The University of Melbourne, Melbourne, VIC 3053, Australia
17
Royal Victorian Eye & Ear Hospital, East Melbourne, VIC 3002, Australia
18
The HEARing Co-Operative Research Centre, Melbourne, VIC 3053, Australia
19
Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo, Brazil. Av. Dr. Eneas de Carvalho Aguiar, 255, 05403-000 São Paulo, Brazil
20
Department of Neurosciences, School of Medicine and Surgery, University of Padua, 35128 Padua, Italy
21
Otorhinolaryngology and Audiology Unit, “Santi Giovanni e Paolo” Hospital, 30126 Venice, Italy
*
Author to whom correspondence should be addressed.
M.A.S. and A.C.N. share first authorship of this study.
J. Clin. Med. 2020, 9(6), 1758; https://doi.org/10.3390/jcm9061758
Received: 1 May 2020 / Revised: 23 May 2020 / Accepted: 2 June 2020 / Published: 5 June 2020
(This article belongs to the Special Issue Therapies for Hearing Loss)
In recent years there has been an increasing percentage of cochlear implant (CI) users who have usable residual hearing in the contralateral, nonimplanted ear, typically aided by acoustic amplification. This raises the issue of the extent to which the signal presented through the cochlear implant may influence how listeners process information in the acoustically stimulated ear. This multicenter retrospective study examined pre- to postoperative changes in speech perception in the nonimplanted ear, the implanted ear, and both together. Results in the latter two conditions showed the expected increases, but speech perception in the nonimplanted ear showed a modest yet meaningful decrease that could not be completely explained by changes in unaided thresholds, hearing aid malfunction, or several other demographic variables. Decreases in speech perception in the nonimplanted ear were more likely in individuals who had better levels of speech perception in the implanted ear, and in those who had better speech perception in the implanted than in the nonimplanted ear. This raises the possibility that, in some cases, bimodal listeners may rely on the higher quality signal provided by the implant and may disregard or even neglect the input provided by the nonimplanted ear. View Full-Text
Keywords: cochlear implants; hearing aid; bimodal; speech perception; auditory neglect; deafness; multicenter cochlear implants; hearing aid; bimodal; speech perception; auditory neglect; deafness; multicenter
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MDPI and ACS Style

Svirsky, M.A.; Neuman, A.C.; Neukam, J.D.; Lavender, A.; Miller, M.K.; Aaron, K.A.; Skarzynski, P.H.; Cywka, K.B.; Skarzynski, H.; Truy, E.; Seldran, F.; Hermann, R.; Govaerts, P.; De Ceulaer, G.; Bergeron, F.; Hotton, M.; Moran, M.; Dowell, R.C.; Goffi-Gomez, M.V.S.; Magalhães, A.T.d.M.; Santarelli, R.; Scimemi, P. Speech Perception Changes in the Acoustically Aided, Nonimplanted Ear after Cochlear Implantation: A Multicenter Study. J. Clin. Med. 2020, 9, 1758. https://doi.org/10.3390/jcm9061758

AMA Style

Svirsky MA, Neuman AC, Neukam JD, Lavender A, Miller MK, Aaron KA, Skarzynski PH, Cywka KB, Skarzynski H, Truy E, Seldran F, Hermann R, Govaerts P, De Ceulaer G, Bergeron F, Hotton M, Moran M, Dowell RC, Goffi-Gomez MVS, Magalhães ATdM, Santarelli R, Scimemi P. Speech Perception Changes in the Acoustically Aided, Nonimplanted Ear after Cochlear Implantation: A Multicenter Study. Journal of Clinical Medicine. 2020; 9(6):1758. https://doi.org/10.3390/jcm9061758

Chicago/Turabian Style

Svirsky, Mario A.; Neuman, Arlene C.; Neukam, Jonathan D.; Lavender, Annette; Miller, Margaret K.; Aaron, Ksenia A.; Skarzynski, Piotr H.; Cywka, Katarzyna B.; Skarzynski, Henryk; Truy, Eric; Seldran, Fabien; Hermann, Ruben; Govaerts, Paul; De Ceulaer, Geert; Bergeron, Francois; Hotton, Matthieu; Moran, Michelle; Dowell, Richard C.; Goffi-Gomez, Maria V.S.; Magalhães, Ana T.d.M.; Santarelli, Rosamaria; Scimemi, Pietro. 2020. "Speech Perception Changes in the Acoustically Aided, Nonimplanted Ear after Cochlear Implantation: A Multicenter Study" J. Clin. Med. 9, no. 6: 1758. https://doi.org/10.3390/jcm9061758

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