Body temperature and behavior of tree shrews and flying squirrels in a thermal gradient

Physiology & Behavior
R Refinetti

Abstract

The daily rhythms of body temperature, temperature selection, and locomotor activity of tree shrews and flying squirrels were studied in a thermal gradient. In accordance with previous observations in other mammalian species, the rhythm of temperature selection was found to be 180 degrees out of phase with the body temperature rhythm in both species. Comparison of the amplitude of the body temperature rhythm in the presence and absence of the ambient temperature gradient indicated that behavioral temperature selection reduces the amplitude of the body temperature rhythm. This provides support for the hypothesis that the homeostatic control of body temperature opposes-rather than facilitates-the circadian oscillation in body temperature.

References

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Citations

Jun 20, 2003·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Małgorzata JefimowEugenia Tegowska
Aug 27, 2014·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Danielle L LevesqueBarry G Lovegrove
Jul 22, 2009·Ageing Research Reviews·Dietmar Weinert
Oct 31, 2006·Physiology & Behavior·Dietmar Weinert, Jim Waterhouse
Feb 9, 2011·American Journal of Physical Anthropology·Giuseppe DonatiSilvana M Borgognini-Tarli
Nov 24, 2004·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Małgorzata JefimowEugenia Tegowska
Jul 19, 2005·Chronobiology International·Jim WaterhouseThomas Reilly
Aug 31, 2004·Chronobiology International·James WaterhouseThomas Reilly
Feb 5, 2021·The Journal of Experimental Biology·Danielle L Levesque, Katie E Marshall
Dec 1, 2020·Temperature : Multidisciplinary Biomedical Journal·Roberto Refinetti

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