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Cognitive and behavioral effects of hearing loss
Eric E Babajanian1, Richard K Gurgel
1Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Utah, Salt Lake City, Utah, USA.
Current Opinion in Otolaryngology & Head and Neck Surgery
|August 25, 2022
Summary
Hearing loss is a major modifiable risk factor for dementia. Hearing rehabilitation may help prevent or slow cognitive decline and its associated behavioral effects in older adults.
Area of Science:
- Gerontology
- Neuroscience
- Audiology
Background:
- Hearing loss is a significant modifiable risk factor for dementia, contributing up to 9% of preventable risk.
- The neuropsychological and psychosocial consequences of hearing impairment are increasingly recognized in clinical practice and research.
Purpose of the Study:
- To review recent literature on the cognitive and behavioral effects of hearing loss.
- To examine the role of hearing rehabilitation in mitigating these effects, particularly in the older adult population.
Main Methods:
- Literature review of recent studies.
- Analysis of cognitive and behavioral outcomes related to hearing loss.
- Evaluation of the impact of hearing rehabilitation interventions.
Main Results:
- Cognitive decline can manifest even with subclinical hearing loss, preceding earlier assumptions.
- Hearing rehabilitation (amplification, surgery, cochlear implants) shows potential in preventing or slowing cognitive decline.
- Hearing loss is linked to increased social isolation, loneliness, and depression in older adults, though rehabilitation's effect on these is still under investigation.
Conclusions:
- Hearing loss is a key modifiable risk factor for cognitive decline.
- Hearing rehabilitation interventions are crucial for preserving cognitive function.
- Understanding the full impact of hearing loss is vital for developing effective prevention and treatment strategies.
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