Interdependence between locomotor activity and duration of wakefulness in humans during isolation |
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Authors: | J. Aschoff |
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Affiliation: | (1) Max-Planck-Institut für Verhaltensphysiologie, D-8138 Andechs, Germany |
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Abstract: | Summary Locomotor activity was recorded in 14 subjects who lived singly in an isolation unit for 16 to 88 days. Their free-running circadian rhythms had a mean period of 25.9 h, with individual means in the duration of wakefulness () ranging from 12.1 to 22.9 h. Intraindividually, the hourly means of activity were negatively correlated with to such a degree that the total amount of activity per day remained constant irrespective of large variations in . |
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Keywords: | Circadian rhythms activity wakefulness humans homeostatic control isolation |
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