Wheel-running rhythms in Arvicanthis niloticus.

  title={Wheel-running rhythms in Arvicanthis niloticus.},
  author={C Katona and Laura Smale},
  journal={Physiology & behavior},
  volume={61 3},
Wheel-running behaviour of the Nile grass rat, Arvicanthis niloticus, was studied under a variety of lighting conditions to characterize circadian rhythms in this species. A series of lighting schedules was used to determine the nature of entrainment, the rates of reentrainment after 6-h phase shifts, and the stability of free-running rhythms in constant light (LL) and constant dark (DD). All 15 individuals showed peaks of activity around dawn and dusk, 11 were more likely to run when lights… CONTINUE READING

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