PapersFlow Research Brief
Hearing Loss and Rehabilitation
Research Guide
What is Hearing Loss and Rehabilitation?
Hearing loss and rehabilitation encompasses the sensory impairment of auditory function and the therapeutic interventions, including auditory training, hearing aids, cochlear implants, and emerging gene therapies, aimed at restoring or compensating for hearing abilities.
The field includes 99,800 works addressing auditory perception, cognitive impacts, and rehabilitation strategies. McGurk and MacDonald (1976) demonstrated in 'Hearing lips and seeing voices' how visual speech cues integrate with auditory signals, influencing rehabilitation approaches. Peracino et al. (2013) established in 'Hearing Loss and Cognitive Decline in Older Adults' a link between hearing impairment and cognitive decline in older adults.
Research Sub-Topics
Audiovisual Speech Perception
This sub-topic studies the McGurk effect and visual cues' integration with auditory signals for speech intelligibility in noise. Researchers model multisensory fusion using psychophysics and neuroimaging.
Hearing Loss and Cognition
Research links age-related hearing impairment to cognitive decline, dementia risk, and brain plasticity changes. Longitudinal studies evaluate auditory interventions' neuroprotective effects.
Cochlear Evoked Potentials
This area analyzes N1-P2 components of auditory evoked responses to assess peripheral and central hearing pathways. Methodological advances refine clinical diagnostics for hearing disorders.
Temporal Cues in Speech Recognition
Studies investigate envelope and fine-structure cues' roles in speech processing, especially for cochlear implant users. Psychophysical experiments test perceptual limits and training paradigms.
Room Acoustics Simulation
Researchers develop image-source and ray-tracing methods for modeling sound propagation in small rooms. Applications include hearing aid design and virtual auditory environments.
Why It Matters
Hearing loss rehabilitation directly impacts quality of life by improving speech intelligibility in noise, as shown by Sumby and Pollack (1954) in 'Visual Contribution to Speech Intelligibility in Noise,' where visual cues boosted performance across speech-to-noise ratios. Recent gene therapy trials, such as Regeneron's DB-OTO, demonstrated hearing improvements in children with genetic deafness, paving the way for FDA submission. Collaborations like Eli Lilly and Seamless Therapeutics' up-to-$1.12B deal target hereditary hearing loss using programmable recombinases. A randomized controlled trial in 'Personalized and gamified auditory-cognitive training improves naturalistic speech-in-noise comprehension in older adults with hearing loss' (2025) found four weeks of training enhanced speech-in-noise comprehension in 54 older adults with mild-to-moderate hearing loss compared to controls.
Reading Guide
Where to Start
'Hearing lips and seeing voices' by McGurk and MacDonald (1976) is the starting point, as its 6040 citations establish core audiovisual integration principles fundamental to understanding speech rehabilitation in hearing loss.
Key Papers Explained
McGurk and MacDonald (1976) 'Hearing lips and seeing voices' provides the audiovisual foundation, which Sumby and Pollack (1954) 'Visual Contribution to Speech Intelligibility in Noise' quantifies in noisy conditions, while Shannon et al. (1995) 'Speech Recognition with Primarily Temporal Cues' builds on temporal processing for impaired hearing. Peracino et al. (2013) 'Hearing Loss and Cognitive Decline in Older Adults' extends impacts to cognition. Näätänen and Picton (1987) 'The N1 Wave of the Human Electric and Magnetic Response to Sound' adds neural underpinnings of auditory processing.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Recent preprints focus on gene therapies like 'Article International expert consensus on gene therapy for ...' and 'Personalized and gamified auditory-cognitive training improves naturalistic speech-in-noise comprehension in older adults with hearing loss' (2025), alongside news on Regeneron's DB-OTO and Lilly-Seamless $1.12B collaboration. Deep learning tools in GitHub repos like DNN-HA and ciha-enhancement target real-time hearing aid enhancements.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Hearing lips and seeing voices | 1976 | Nature | 6.0K | ✕ |
| 2 | Hearing Loss and Cognitive Decline in Older Adults | 2013 | JAMA Internal Medicine | 3.8K | ✓ |
| 3 | Image method for efficiently simulating small-room acoustics | 1979 | The Journal of the Aco... | 3.7K | ✕ |
| 4 | The N1 Wave of the Human Electric and Magnetic Response to Sou... | 1987 | Psychophysiology | 3.3K | ✕ |
| 5 | Speech Recognition with Primarily Temporal Cues | 1995 | Science | 3.1K | ✕ |
| 6 | Early selective-attention effect on evoked potential reinterpr... | 1978 | Acta Psychologica | 2.7K | ✕ |
| 7 | Visual Contribution to Speech Intelligibility in Noise | 1954 | The Journal of the Aco... | 2.6K | ✕ |
| 8 | The Voice Handicap Index (VHI) | 1997 | American Journal of Sp... | 2.5K | ✕ |
| 9 | Quest: A Bayesian adaptive psychometric method | 1983 | Perception & Psychophy... | 2.5K | ✓ |
| 10 | Psychoacoustics: facts and models | 1991 | Choice Reviews Online | 2.4K | ✓ |
In the News
Lilly, Seamless Ink Up-to-$1.12B Hearing Loss Collaboration
Eli Lilly plans to expand its hearing loss therapy pipeline by collaborating with Seamless Therapeutics to apply the company’s next-generation gene-editing approach, based on programmable recombina...
Regeneron Readies FDA Run for Hearing Loss Gene ...
Regeneron is clearing a regulatory path for its investigational gene therapy DB-OTO after an early phase study demonstrated hearing improvements in children with a genetic form of deafness.
The Future of Gene Therapy for Hearing Loss
* Study maps brain’s ability to comprehend sound, could lead to new hearing loss therapies Oregon Health & Science University(01/10/2025)
Deafness reversed: Single injection brings hearing back ...
The study was conducted in collaboration with a number of institutions, including Zhongda Hospital, Southeast University, China, and was financed by several Chinese research program and Otovia Ther...
Novel CLIC5 Gene Therapy Uses AAV Technology to Treat ...
Inside Precision Medicine Translational Research Novel _CLIC5_ Gene Therapy Uses AAV Technology to Treat Hearing Loss Share
Code & Tools
This repository contains the implementation of MSBG hearing loss model and MBSTOI intellibility metric in PyTorch. The models are differentiable an...
## Repository files navigation # ciha-enhancement This repository contains enhancement strategy for cochlear implant (CI) and hearing aids (HA) ...
This repository contains a deep-neural-network hearing-aid (DNN-HA) processing strategy that can provide individualised sound processing for the au...
## About A smartphone applications with Convolutional Neural Network Voice Activity Detector, Adaptive Noise Reduction and Dynamic Audio Range Comp...
This is the GitHub Organisation for the Clarity project. Clarity is a UK-funded project that is working with the speech, hearing and machine learni...
Recent Preprints
Article International expert consensus on gene therapy for ...
Hearing loss is a common sensory disorder in human beings, and there are no pharmacological treatments for hereditary hearing loss. Although recent gene therapy trials for congenital deafness have ...
Personalized and gamified auditory-cognitive training improves naturalistic speech-in-noise comprehension in older adults with hearing loss
This study examined whether a gamified and personalized auditory-cognitive training (ACT) program could improve naturalistic speech-in-noise (SIN) comprehension in older adults with mild-to-moderat...
Experiencing stigma: Different perspectives on hearing loss ...
By understanding these different perspectives, hearing are professionals can better align their support with clients’ actual concerns─ ultimately providing more targeted support to overcome barrier...
Audiology Research | An Open Access Journal from MDPI
# *Audiology Research* *Audiology Research*is an international, peer-reviewed ,open access journalon audiology and neurotology, published bimonthly online by MDPI. The Italian Society of Vestibolog...
Objective Evaluation of a Deep Learning-Based Noise ...
This study evaluated a deep-neural-network denoising system using model-based design, comparing it with adaptive filtering and beamforming across various noise types, SNRs, and hearing-aid fittings...
Latest Developments
Recent developments in hearing loss and rehabilitation research include the advancement of gene therapy showing sustained improvements in speech perception in children with profound genetic hearing loss (DDW Online), the progress of cell therapies like Rinri Therapeutics' Rincell-1 aiming to repair damaged inner ear structures (Envoy Medical), and the demonstration that hair cells can be regenerated in adult mammalian ears using drugs to stimulate resident cells, potentially reversing deafness (Harvard Stem Cell Institute), as of early 2026. Additionally, innovative implant technologies such as totally implantable cochlear implants are being explored for human rehabilitation (Nature), and research into auditory plasticity suggests that adults can relearn hearing with cochlear implants through alternating frequency allocations (Nature), as of 2025.
Sources
Frequently Asked Questions
What is the McGurk effect in hearing rehabilitation?
The McGurk effect, described by McGurk and MacDonald (1976) in 'Hearing lips and seeing voices,' shows how conflicting visual lip movements alter auditory speech perception. This audiovisual integration aids rehabilitation by enhancing speech understanding in noisy environments. It has 6040 citations, underscoring its foundational role.
How does hearing loss contribute to cognitive decline?
Peracino et al. (2013) in 'Hearing Loss and Cognitive Decline in Older Adults' linked hearing impairment to faster cognitive decline in older adults. The study, with 3759 citations, highlights chronic effects beyond cardiovascular diseases. Rehabilitation targeting hearing may mitigate these risks.
What role do temporal cues play in speech recognition for hearing-impaired individuals?
Shannon et al. (1995) in 'Speech Recognition with Primarily Temporal Cues' achieved nearly perfect speech recognition using temporal envelopes from broad frequency bands. This preserved envelope cues despite reduced spectral information. The work, cited 3080 times, informs hearing aid and cochlear implant designs.
How do visual cues improve speech intelligibility in noise?
Sumby and Pollack (1954) in 'Visual Contribution to Speech Intelligibility in Noise' found supplementary visual observation of lip movements significantly enhanced speech intelligibility. Benefits increased as speech-to-noise ratios decreased and vocabulary size shrank. This 2579-cited study supports lip-reading in rehabilitation.
What is the current state of gene therapy for hearing loss?
Recent preprints like 'Article International expert consensus on gene therapy for ...' establish guidelines for hereditary hearing loss treatments, noting successful congenital deafness trials. News reports on Regeneron's DB-OTO show hearing improvements in children, preparing for FDA review. Lilly's $1.12B collaboration with Seamless Therapeutics advances gene-editing for hearing loss.
Open Research Questions
- ? How can gene therapy vectors be optimized for long-term efficacy in hereditary hearing loss beyond initial trials?
- ? What mechanisms link hearing loss to cognitive decline, and can targeted rehabilitation reverse these effects?
- ? How do personalized auditory-cognitive training programs scale to diverse hearing loss profiles?
- ? What integration of visual and temporal cues maximizes speech rehabilitation in noise for cochlear implant users?
- ? How effectively do deep learning noise reduction systems generalize across SNRs and audiograms in real-world hearing aids?
Recent Trends
Gene therapy advances dominate, with Regeneron's DB-OTO showing hearing recovery in genetic deafness children (2025 news) and Lilly's up-to-$1.12B Seamless deal for recombinase editing.
2026Preprints include expert consensus on hereditary treatments and a trial where gamified training improved speech-in-noise in 54 older adults.
2025Deep learning noise reduction evaluated 1,152 recordings across audiograms, per 'Objective Evaluation of a Deep Learning-Based Noise ...'.
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