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Open research questions in Hearing Loss and Rehabilitation

815 gap statements mined from Hearing Loss and Rehabilitation papers in our 7.9M-paper local library, which holds 5,154 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • Less is known about self-reported hearing-related symptoms and their association with demographic and clinical characteristics among adults with diabetes. There is a need to assess the burden of self-reported hearing-related symptoms among adults with diabetes.

    Self-reported hearing-related symptoms among adults with diabetes: a cross-sectional study · 2026 · DOI

  • Lack of normative data for the Children's English and Spanish Speech Recognition test in the sound field. Limited data on the test's effectiveness for children with hearing loss.

    Development of the Children’s English and Spanish Speech Recognition Test: Sound Field Data From Children With and Without Hearing Loss · 2026 · DOI

  • Further research could investigate the clinical performance of the strategies. The study of loudness encoding in other cochlear implant devices could provide more insights.

    Neural Correlates of Loudness Coding in Two Types of Cochlear Implants—A Model Study · 2025 · DOI

  • Comparing speech coding strategies is difficult due to brand-specific and patient-specific factors. There is a need to understand how loudness is conveyed by different cochlear implant strategies.

    Neural Correlates of Loudness Coding in Two Types of Cochlear Implants—A Model Study · 2025 · DOI

  • One challenge is that listening to speech in nonoptimal environments can be difficult, especially for children. Another challenge is that the relationship between linguistic skills and spoken word recognition may be limited to less familiar words.

    Home Language Experience Shapes Which Skills Are Used during Unfamiliar Speech Processing · 2024 · DOI

  • Further research could examine spoken word recognition in other populations, such as adults or children with language impairments. Further research could use different types of unfamiliar speech.

    Home Language Experience Shapes Which Skills Are Used during Unfamiliar Speech Processing · 2024 · DOI

  • Our scoping review revealed that pediatric ABI infections have been managed with antibiotics with or without surgical intervention, and infection-related ABI explantation in pediatric patients has not been reported.

    Infection in Pediatric Auditory Brainstem Implant: A Case Study and Scoping Review · 2026 · DOI

  • Hearing aids (HAs) and cochlear implants (CIs) improve speech perception for individuals with hearing loss (HL), yet their impact on music outcomes remains unclear.

    Characterizing Music Engagement and Reward in Individuals Across a Spectrum of Hearing Loss and Rehabilitation · 2026 · DOI

  • Future research may explore these exposures' interactions to determine avenues for improved patient-centered psychiatric outcomes in this population.

    Psychiatric risk with dizziness and cognitive decline in patients with sensorineural hearing loss · 2026 · DOI

  • Future research should explore long-term outcomes and the role of contextual factors in intervention efficacy.

    Intervention Efficacy for Children With Mild Bilateral Sensorineural Hearing Loss · 2026 · DOI

  • Further studies using validated instruments and objective hearing assessment are warranted.

    Self-reported hearing-related symptoms among adults with diabetes: a cross-sectional study · 2026 · DOI

  • However, mechanisms underlying ECochG amplitude variations along the cochlear duct, and their significance for hearing preservation (HP), remain unclear.

    Longitudinal Analysis of Intracochlear Electrocochleographic Amplitude Patterns in Cochlear Implant Recipients · 2026 · DOI

  • Future study is warranted to reconcile the laboratory and field trial findings in this study.

    Do Adolescent Hearing Aid Users Prefer Digital Noise Reduction to Be Activated? Findings From the Laboratory and Home Environments · 2026 · DOI

  • Whether similar effects occur in older adults, a population particularly affected by listening difficulties, remains unclear.

    Metacognition for Listening in Noise: The Role of Age and Hearing Loss · 2026 · DOI

  • The psychometrics of this 18-item global APHAP score have not been evaluated previously.

    Evaluation of the Global Score From the Abbreviated Profile of Hearing-Aid Performance and the Development of an Improved Shorter Version: The APHAP9 · 2026 · DOI

  • Further characterization of hyperacusis in CI users is warranted and will inform the development of clinical protocols to quantify and ameliorate potential adverse effects of decreased sound tolerance in this population.

    Hyperacusis in Cochlear Implant Users and Its Relationship With Tinnitus and Subjective Hearing Abilities · 2026 · DOI

  • Future research should address the limitations, such as sample size and diversity, to further explore cross-modal emotion perception in cochlear-implanted children.

    Enhancing Emotional Understanding: Modalities of Emotion Perception in Cochlear-Implanted Children · 2026 · DOI

  • Aging and hearing loss may affect the mechanisms underlying binaural speech perception, but whether spectro-temporal integration and interaural cue-based unmasking exhibit shared or dissociable vulnerabilities remains unclear.

    Differential Effects of Aging and Hearing Loss on Two Speech-Based Binaural Processes: Spectro-Temporal Integration and Interaural Cue-Based Unmasking · 2026 · DOI

  • Despite the attention to hearing care in the VA, limited data on cochlear implant (CI) utilization raises concern about whether this transformative and accessible treatment is reaching Veterans who could be helped with communication to improve their quality of life.

    Hearing Rehabilitation in Veterans With Severe Hearing Loss: Challenges and Opportunities · 2026 · DOI

  • Although these broad patterns suggest that reduced ratings are associated with more occlusion, objective measures of occlusion did not account for a significant amount of the variance in either kind of rating.

    Relating Sound Externalization, Own-Voice Perception, and Occlusion in Adults With Hearing Aids · 2026 · DOI

  • Investigate the use of longer reference periods to support heart-rate change estimation, - Examine the relationship between listening effort and hearing ability, - Develop methods to isolate listening effort from other cognitive…

    Multimodal Physiological Responses During Sentence Recognition at Individualized Speech-in-Noise Thresholds · 2026 · DOI

  • The study identifies a gap in the current understanding of how to compare physiological responses near a comparable recognition level across listeners with different hearing abilities. It also highlights the limitations of standard clinical assessments of behavioral hearing in capturing the active neural mechanics of real-life communication.

    Multimodal Physiological Responses During Sentence Recognition at Individualized Speech-in-Noise Thresholds · 2026 · DOI

  • The insertion depth of the electrode array is limited, - Lower frequencies are presented at suboptimal locations, - The models do not account for higher-level auditory…

    Spectral Ripples in Normal and Electric Hearing Models · 2025 · DOI

  • Testing new speech coding strategies, - Validating the use of model-based analyses to assess psychophysical tests without patient involvement, - Investigating the limitations of the spectral ripple test…

    Spectral Ripples in Normal and Electric Hearing Models · 2025 · DOI

  • Communication partners play a critical but underexplored role in pre-CI decision-making.

    Role of Communication Partners in Pre-Cochlear Implant Decision-Making: A Scoping Review · 2026 · DOI

Most-cited papers in Hearing Loss and Rehabilitation

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Open questions raised by papers listed on this page include: (1) Less is known about self-reported hearing-related symptoms and their association with demographic and clinical characteristics among adults with diabetes (“Self-reported hearing-related symptoms among adults with diabetes: a…”, 2026); (2) Lack of normative data for the Children's English and Spanish Speech Recognition test in the sound field (“Development of the Children’s English and Spanish Speech Recognition Test:…”, 2026); (3) Hearing aids (HAs) and cochlear implants (CIs) improve speech perception for individuals with hearing loss (HL), yet their impact on music outcomes remains unclear (“Characterizing Music Engagement and Reward in Individuals Across a Spectrum of…”, 2026); (4) Future research may explore these exposures' interactions to determine avenues for improved patient-centered psychiatric outcomes in this population (“Psychiatric risk with dizziness and cognitive decline in patients with…”, 2026); (5) Future research should explore long-term outcomes and the role of contextual factors in intervention efficacy (“Intervention Efficacy for Children With Mild Bilateral Sensorineural Hearing…”, 2026). 815 gap statements have been mined from Hearing Loss and Rehabilitation papers in our 7.9M-paper local library, which holds 5,154 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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