| The effect of a change in sleep-wakefulness timing, bright light and physical exercise interventions on 24-hour patterns of performance, mood and body temperature. | |
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MedLine Citation:
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PMID: 14564893 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Experiments consisting of baseline, bright light and physical exercise studies were carried out to compare the effect of a 9-hour delay in sleep-wakefulness timing, and the effects of bright light and physical exercise interventions on 24-hour patterns of performance, mood and body temperature were examined. Each study comprised a 24-hour constant routine at the beginning followed by 3 night shifts and 24-hour constant routine at the end. Performance on tasks differing in cognitive load, mood and body temperature was measured during each constant routine and the interventions were applied during the night shifts. The 24-hour pattern of alertness and performance on the tasks with low cognitive load in post-treatment conditions followed the change in sleep-wakefulness timing while more cognitively loaded tasks tended to show a reverse trend when compared to pre-treatment conditions. There was a phase delay around 4 hours in circadian rhythms of body temperature in post-treatment conditions. |
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Authors:
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I Iskra-Golec; M Fafrowicz; T Marek; G Costa; S Folkard; J Foret; M Kundi; L Smith |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: Journal of human ergology Volume: 30 ISSN: 0300-8134 ISO Abbreviation: J Hum Ergol (Tokyo) Publication Date: 2001 Dec |
Date Detail:
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Created Date: 2003-10-20 Completed Date: 2003-11-26 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0364267 Medline TA: J Hum Ergol (Tokyo) Country: Japan |
Other Details:
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Languages: eng Pagination: 261-6 Citation Subset: IM |
Affiliation:
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Jagiellonian University, Kraków, Poland. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Affect / physiology* Attention / physiology Body Temperature / physiology* Circadian Rhythm / physiology* Exercise / physiology* Female Humans Lighting* Male Monitoring, Ambulatory Neuropsychological Tests Problem Solving / physiology Reaction Time / physiology Sleep / physiology* Task Performance and Analysis Wakefulness / physiology* Work Schedule Tolerance / physiology* |
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