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Two mechanisms of rephasal of circadian rhythms in response to a 180 deg phase shift /simulated 12-hr time zone change/A model developed by Wever (1966) is considered. The model describes the behavior of circadian rhythms in response to photoperiod phase shifts simulating time zone changes, as a function of endogenous periodicity, light intensity, and direction of phase shift. A description is given of an investigation conducted to test the model upon the deep body temperature rhythm in unrestrained subhuman primates. An evaluation is conducted regarding the applicability of the model in predicting the type and duration of desynchronization induced by simulated time zone changes as a function of endogenous periodicity.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Deroshia, C. W.
(NASA Ames Research Center Moffett Field, CA, United States)
Winget, C. M.
(NASA Ames Research Center Biomedical Research Div., Moffett Field, Calif., United States)
Bond, G. H.
(Syntex Research Palo Alto, Calif., United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1976
Publication Information
Publication: Journal of Interdisciplinary Cycle Research
Volume: 7
Issue: 4, 19
Subject Category
Aerospace Medicine
Accession Number
Distribution Limits

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