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KMID : 0361020230660100641
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Korean Journal of Otolaryngology - Head and Neck Surgery
2023 Volume.66 No. 10 p.641 ~ p.645
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Tinnitus and Cognitive Decline
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Lee Hyun-Jin
Moon Sung-Hyun
Lim Jae-Seung
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Abstract
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Tinnitus, defined as the perception of sound in the absence of any external stimuli, is a condi-tion which affects a significant number of people worldwide. Although the pathophysiology oftinnitus is not fully understood, hearing loss is known to be a major contributor. To date,many studies have investigated the relationship between hearing loss and cognitive function,and hearing loss is now considered a modifiable risk factor for cognitive decline. In this con-text, recent studies have investigated whether tinnitus, which is closely associated with hear-ing loss, is also a risk factor for cognitive decline. However, conflicting results have been re-ported regarding the relationship between these two conditions. Several studies have reportedcognitive decline in tinnitus patients, particularly in areas related to working memory and at-tention. The consideration of patient age is crucial, as older people seem to be more affectedby tinnitus-related cognitive issues. In contrast, some studies have indicated no direct associa-tion between tinnitus and cognitive decline, with some even indicating potential cognitive im-provement in tinnitus patients. In this article, we review the current research on the relation-ship between tinnitus and cognitive function and discuss the potential association betweenthese two conditions.
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KEYWORD
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Cognition, Hearing loss, Tinnitus
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