Direct correlation between the circadian sleep-wakefulness rhythm and time estimation in humans under social and temporal isolation.
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Date
1991-09
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Abstract
Several bodily functions in humans vary on a 24 h pattern and most of these
variations persist with a circadian period of ca 25 h when subjects are studied under
conditions of social and temporal isolation. We report in this paper that the estimates of
short time intervals (TE) of 2 h are strongly coupled to the circadian rhythm in sleepwakefulness.
There is a linear correlation between the number of hours humans stay awake
(α) and their estimation of 2 h intervals. The coupling of TE to α appears to obtain only
under conditions of physical well-being.
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Keywords
Human circadian rhythms, sleep-wakefulness, temperature, freeruns, dissociation, biological oscillators and models
Citation
Chandrashekaran M K, Marimuthu G, Subbaraj R, Kumarasamy P, Ramkumar M S, Sripathi K. Direct correlation between the circadian sleep-wakefulness rhythm and time estimation in humans under social and temporal isolation. Journal of Biosciences. 1991 Sept; 16(3): 97-101.