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KMID : 0361020220650120745
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Korean Journal of Otolaryngology - Head and Neck Surgery
2022 Volume.65 No. 12 p.745 ~ p.751
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Relationship Between Dizziness With Cognitive Impairment
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Yim Chae-Dong
Ahn Seong-Ki
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Abstract
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Dizziness is one of the most common symptoms in the elderly. Various vestibular disorders,such as benign paroxysmal positional vertigo, vestibular neuritis, Meniere’s disease, vestibularmigraine, can cause dizziness. The vestibular system consists of the peripheral vestibularorgans in the inner ear and the extensive central nervous system from the cerebellum andbrainstem to the thalamus to cortex. In particularly, vestibular sensory input plays a importantrole in spatial cognitive abilities such as spatial memory and spatial navigation. In the elderly,cognitive decline, such as mild cognitive impairment, Alzheimer’s disease and other dementia,is a very frightening disease that worsens the quality of life. It is possible to evaluate vestibulardysfunction through vestibular function test, and there are various evaluation methodsfor cognitive function. The evidence has been gradually accumulating to suggest that the balanceorgans or ‘vestibular system,’ might also be important in the development of cognitivedysfunction and dementia. Animal studies, pathologic and imaging evidence, and behavioralassays on the relationship between various diseases related to dizziness and cognitive dysfunctionare supporting that. Given that vestibular dysfunction can be treated through physical-therapy such as vestibular rehabilitation, identifying and treating dizziness in older adultswith and without cognitive impairment may provide potential benefits in preventing, mitigatingcognitive decline.
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KEYWORD
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Brain connection, Cognition, Dementia, Dizziness
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