Free-running rhythms and light- and dark-pulse phase response curves for diurnal Octodon degus (Rodentia).

@article{Lee1997FreerunningRA,
  title={Free-running rhythms and light- and dark-pulse phase response curves for diurnal Octodon degus (Rodentia).},
  author={T. M. Lee and Susan E Labyak},
  journal={The American journal of physiology},
  year={1997},
  volume={273 1 Pt 2},
  pages={R278-86}
}
Only rarely have precise, short-duration light pulses been used to generate phase response curves (PRCs) in diurnal mammals as done for nocturnal mammals, and a dark-pulse PRC has never been generated for a diurnal mammal. In addition, the relationship between free-running rhythms in different light intensities and PRCs has not been explored in diurnal mammals. We examined these relationships in Octodon degus, a diurnal hystricomorph rodent. Male degus lengthened the circadian period (tau) and… CONTINUE READING

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