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Vestibular dysfunction and its association with cognitive impairment and dementia
Cristian Aedo-Sanchez1, Patricio Riquelme-Contreras1,2,3,4, Fernando Henríquez3,4,5
1Department of Medical Technology, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
Frontiers in Neuroscience
|April 11, 2024
Summary
The vestibular system impacts balance and cognition. Vestibular dysfunction may increase dementia risk, but the causal link requires further investigation and management strategies.
Area of Science:
- Neuroscience
- Otolaryngology
- Geriatrics
Background:
- The vestibular system is crucial for balance, spatial navigation, and cognitive functions.
- Vestibular dysfunction, especially bilateral vestibulopathy, is linked to cognitive decline and dementia.
- The relationship between vestibular damage and cognitive impairment remains debated.
Purpose of the Study:
- To explore the connection between the vestibular system, cognitive dysfunction, and dementia.
- To examine hypotheses and potential causes linking vestibular damage to cognitive issues.
- To review neuroimaging findings and management strategies for affected patients.
Main Methods:
- Literature review of studies on vestibular system function and cognitive impairment.
- Analysis of research on bilateral vestibulopathy and dementia risk.
- Examination of multimodal neuroimaging data on the cortico-vestibular network.
Main Results:
- Evidence suggests a correlation between vestibular dysfunction and cognitive impairment, including Alzheimer's disease.
- Potential causal mechanisms and confounding factors are discussed.
- Neuroimaging reveals structural and functional changes in the cortico-vestibular network.
Conclusions:
- The vestibular system's role in cognition is significant, with dysfunction potentially contributing to cognitive decline.
- Further research is needed to establish causality and elucidate underlying mechanisms.
- Multimodal approaches and targeted management are essential for patients with vestibular damage and cognitive issues.
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