The Benefits of Residual Hair Cell Function for Speech and Music Perception in Pediatric Bimodal Cochlear Implant Listeners

Cheng, Xiaoting; Liu, Yang-Wenyi; Wang, Bing; Yuan, Yasheng; Galvin, John J.; Fu, Qian-Jie; Shu, Yilai; Chen, Bing

doi:10.1155/2018/4610592

Cited by 22 publications

(22 citation statements)

References 51 publications

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“…This study demonstrates the benefit of low frequency residual hearing on music perception measurements in CI recipients. Such benefit was shown in previous studies with bimodal users (Bartov and Most, 2014; Cheng et al, 2018), Hybrid CI recipients (Driscoll et al, 2016), and acoustic simulations of the electric-acoustic condition (Parkinson et al, 2019).…”

Section: Discussionsupporting

confidence: 60%

“…The benefits of combined acoustic and electric hearing are especially significant in music perception (Gfeller et al, 2006; Golub et al, 2012; Driscoll et al, 2016; Kelsall et al, 2017; Cheng et al, 2018; Parkinson et al, 2019). Gfeller et al (2006) conducted two different experiments.…”

Section: Introductionmentioning

confidence: 99%

“…The performance of the Hybrid implant users on the three tests was significantly better than the traditional implant users and very similar to normal hearing peers. Recently Cheng et al (2018) assessed the speech perception and melody contour identification of 35 children in unilateral (CI only) and bimodal (with hearing aid on the contralateral ear) conditions. Subjects performed significantly better in the bimodal condition on the melody contour identification and Mandarin tone recognition tests and results suggested that combined electric and acoustic hearing can improve both music and tonal speech perception in CI users.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Low Frequency Residual Hearing on Music Perception and Psychoacoustic Abilities in Pediatric Cochlear Implant Recipients

2019

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Studies have demonstrated the benefits of low frequency residual hearing in music perception and for psychoacoustic abilities of adult cochlear implant (CI) users, but less is known about these effects in the pediatric group. Understanding the contribution of combined electric and acoustic stimulation in this group can help to gain a better perspective on decisions regarding bilateral implantation. We evaluated the performance of six unilaterally implanted children between 9 and 13 years of age with contralateral residual hearing using the Clinical Assessment of Music Perception (CAMP), spectral ripple discrimination (SRD), and temporal modulation transfer function (TMTF) tests and compared findings with previous research. Our study sample performed similarly to normal hearing subjects in pitch direction discrimination (0.81 semitones) and performed well above typical CI users in melody recognition (43.37%). The performance difference was less in timbre recognition (48.61%), SRD (1.47 ripple/octave), and TMTF for four modulation frequencies. These findings suggest that the combination of low frequency acoustic hearing with the broader frequency range of electric hearing can help to increase clinical CI benefit in pediatric users and decisions regarding second-side implantation should consider these factors.

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Section: Discussionsupporting

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Low Frequency Residual Hearing on Music Perception and Psychoacoustic Abilities in Pediatric Cochlear Implant Recipients

2019

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“…Four out of seven studies evaluated lexical tone perception in quiet and/or in noise. Three of these studies focused on bimodal benefits on lexical tone identification ( Yuen et al, 2009a ; Cheng et al, 2018 ; Zhang et al, 2020a ), specified as the performance differences of bimodal stimulation (i.e., CI + HA) condition over CI-only condition. All studies found significant bimodal benefits in lexical tone recognition in quiet and/or in noise.…”

Section: Reviewmentioning

confidence: 99%

A Review of Speech Perception of Mandarin-Speaking Children With Cochlear Implantation

Gao

Wong

2021

Front. Neurosci.

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Objective: This paper reviewed the literature on the development of and factors affecting speech perception of Mandarin-speaking children with cochlear implantation (CI). We also summarized speech outcome measures in standard Mandarin for evaluating auditory and speech perception of children with CI.Method: A comprehensive search of Google Scholar and PubMed was conducted from March to June 2021. Search terms used were speech perception/lexical tone recognition/auditory perception AND cochlear implant AND Mandarin/Chinese.Conclusion: Unilateral CI recipients demonstrated continuous improvements in auditory and speech perception for several years post-activation. Younger age at implantation and longer duration of CI use contribute to better speech perception. Having undergone a hearing aid trial before implantation and having caregivers whose educational level is higher may lead to better performance. While the findings that support the use of CI to improve speech perception continue to grow, much research is needed to validate the use of unilateral and bilateral implantation. Evidence to date, however, revealed bimodal benefits over CI-only conditions in lexical tone recognition and sentence perception in noise. Due to scarcity of research, conclusions on the benefits of bilateral CIs compared to unilateral CI or bimodal CI use cannot be drawn. Therefore, future research on bimodal and bilateral CIs is needed to guide evidence-based clinical practice.

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“…Preservation of residual low-frequency acoustic hearing in the implanted ear is becoming more frequent due to advanced electrode designs and surgical techniques (Santa Maria et al, 2014; Causon et al, 2015; Wanna et al, 2015; Sierra et al, 2019). Many studies have shown significant benefits for music perception with combined acoustic and electric hearing over CI-only performance (e.g., Kong et al, 2005; Dorman et al, 2008; Vermeire et al, 2008; Sucher and McDermott, 2009; Cullington and Zeng, 2011; Crew et al, 2015; Cheng et al, 2018). Depending on the listening task, binaural enhancement over acoustic hearing may be limited.…”

Section: Introductionmentioning

confidence: 99%

Pleasantness Ratings for Harmonic Intervals With Acoustic and Electric Hearing in Unilaterally Deaf Cochlear Implant Patients

et al. 2019

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BackgroundHarmony is an important part of tonal music that conveys context, form and emotion. Two notes sounded simultaneously form a harmonic interval. In normal-hearing (NH) listeners, some harmonic intervals (e.g., minor 2nd, tritone, major 7th) typically sound more dissonant than others (e.g., octave, major 3rd, 4th). Because of the limited spectro-temporal resolution afforded by cochlear implants (CIs), music perception is generally poor. However, CI users may still be sensitive to relative dissonance across intervals. In this study, dissonance ratings for harmonic intervals were measured in 11 unilaterally deaf CI patients, in whom ratings from the CI could be compared to those from the normal ear.MethodsStimuli consisted of pairs of equal amplitude MIDI piano tones. Intervals spanned a range of two octaves relative to two root notes (F3 or C4). Dissonance was assessed in terms of subjective pleasantness ratings for intervals presented to the NH ear alone, the CI ear alone, and both ears together (NH + CI). Ratings were collected for both root notes for within- and across-octave intervals (1–12 and 13–24 semitones). Participants rated the pleasantness of each interval by clicking on a line anchored with “least pleasant” and “most pleasant.” A follow-up experiment repeated the task with a smaller stimulus set.ResultsWith NH-only listening, within-octave intervals minor 2nd, major 2nd, and major 7th were rated least pleasant; major 3rd, 5th, and octave were rated most pleasant. Across-octave counterparts were similarly rated. With CI-only listening, ratings were consistently lower and showed a reduced range. Mean ratings were highly correlated between NH-only and CI-only listening (r = 0.845, p < 0.001). Ratings were similar between NH-only and NH + CI listening, with no significant binaural enhancement/interference. The follow-up tests showed that ratings were reliable for the least and most pleasant intervals.DiscussionAlthough pleasantness ratings were less differentiated for the CI ear than the NH ear, there were similarities between the two listening modes. Given the lack of spectro-temporal detail needed for harmonicity-based distinctions, temporal envelope interactions (within and across channels) associated with a perception of roughness may contribute to dissonance perception for harmonic intervals with CI-only listening.

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The Benefits of Residual Hair Cell Function for Speech and Music Perception in Pediatric Bimodal Cochlear Implant Listeners

Cited by 22 publications

References 51 publications

Effects of Low Frequency Residual Hearing on Music Perception and Psychoacoustic Abilities in Pediatric Cochlear Implant Recipients

Effects of Low Frequency Residual Hearing on Music Perception and Psychoacoustic Abilities in Pediatric Cochlear Implant Recipients

A Review of Speech Perception of Mandarin-Speaking Children With Cochlear Implantation

Pleasantness Ratings for Harmonic Intervals With Acoustic and Electric Hearing in Unilaterally Deaf Cochlear Implant Patients

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