Effects of diurnal bright/dim light intensity on circadian core temperature and activity rhythms in the Japanese macaque |
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Authors: | Takasu Nana Nigi Hideo Tokura Hiromi |
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Institution: | Department of Environmental Health, Nara Women's University, Nara, 630-8506 Japan. |
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Abstract: | Circadian rhythms of core temperature and activity were studied using three Japanese macaques under influences of two different light intensities during the daytime. Nocturnal core temperature and activity onset time were lower and advanced, respectively, in bright as compared to dim light. These results suggest the possibility that diurnal bright light could influence the circadian organization. |
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