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[Hearing loss and Alzheimer's disease]
David Bakhos1, Alexandre Villeuneuve2, Soo Kim3
1Service ORL et chirurgie cervico-faciale, CHU Tours, France, Université François-Rabelais, Tours, France, Médecine interne gériatrique, Centre mémoire, ressources, recherche (CMRR) de la région Centre CHU Tours, France.
Hearing loss is linked to a higher risk of Alzheimer's disease. Early detection and auditory rehabilitation may help manage cognitive decline, but require further study.
Area of Science:
- Neuroscience
- Audiology
- Gerontology
Background:
- Emerging research indicates a correlation between hearing loss and increased Alzheimer's disease risk.
- Hearing impairment can stem from age-related hearing loss (presbycusis) or central auditory processing disorders.
- Current Alzheimer's disease diagnostic protocols often overlook hearing function, despite its potential as an early indicator.
Purpose of the Study:
- To highlight the potential link between hearing loss and Alzheimer's disease.
- To emphasize the need for standardized hearing assessments in Alzheimer's disease evaluations.
- To explore the potential benefits of auditory rehabilitation for individuals with Alzheimer's disease.
Main Methods:
- Review of current literature on hearing loss and Alzheimer's disease.
- Discussion of standard audiometric tests for presbycusis.
- Identification of specialized tests (e.g., noisy, dichotic) for central auditory dysfunction.
Main Results:
- No established consensus exists for evaluating hearing loss in Alzheimer's patients.
- Hearing ability is crucial for effective communication in Alzheimer's care and diagnosis.
- Hearing loss is a potentially unrecognized deficit in Alzheimer's disease.
Conclusions:
- Hearing loss may be an early, overlooked symptom of Alzheimer's disease.
- Integrating hearing assessments into Alzheimer's diagnostics is recommended.
- Longitudinal studies are necessary to validate the efficacy of auditory rehabilitation in mitigating cognitive decline.
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