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Int Tinnitus J. 2014;19(1):41-5. doi: 10.5935/0946-5448.20140006.

The effect of circadian rhythm on the perceived tinnitus severity: A preliminary study.



Hearing sound that does not originate in the world outside the body is an experience every human has at one time or another in life. Circadian rhythm is common for all living organisms and nearly all physiological functions, especially sleep-wake cycles, exhibit circadian rhythmicity. A short survey conducted in the study center revealed that majority of the tinnitus subjects reported a difference in tinnitus severity across the day. So the current study focused on finding out the influence of circadian rhythm on tinnitus severity.


Study was conducted on 20 tinnitus subjects irrespective of age, gender, hearing status and type of tinnitus. Kannada version of MEQ was given to all the subjects to classify them to various circadian types. A visual analog scale was also given to rate the severity of the tinnitus in the morning and evening.


The result of the current study states that, there was a significant difference in the tinnitus severity for moderate morning type individuals in the morning and evening and not for the intermediate group.


So we can conclude that, circadian rhythm has a strong association with the severity of the tinnitus.


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