Abstract
While measurement of temperature as an index of circadian rhythmicity is not a difficult task with infrahuman subjects, long-term monitoring of deep body temperature with human subjects poses numerous measurement and safety problems. A preparation is described that is highly accurate, inexpensive, chronic, comfortable, and eliminates safety problems associated with more traditional methods of temperature measurement.
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The authors wish to thank Evan Graber for his preparation of the illustrations.
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Romanczyk, R.G., Crimmins, D.B., Gordon, W.C. et al. Measuring circadian cycles: A simple temperature recording preparation. Behavior Research Methods & Instrumentation 9, 393–394 (1977). https://doi.org/10.3758/BF03202274
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DOI: https://doi.org/10.3758/BF03202274