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Zeitgeber-schedule dependent resynchronization of circadian rhythms in nocturnal mammals (Primates and Chiroptera)

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Summary

Changing the L: D time ratio of an entraining light-dark regime leads to characteristic alterations of the resynchronization behaviour of the circadian activity rhythms in night monkeys (Aotus trivirgatus) and African fruit bats (Rousettus aegyptiacus) after 8 h advance and delay shifts of the LD-Zeitgeber. Reduced speed of re-entrainment and occurrence of antidromic resynchronization point to a lower Zeitgeber strength of 24-h LD-cycles with a prolonged D-phase.

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Authors and Affiliations

  1. Institut für Biologie III der Universität Tübingen, Auf der Morgenstelle 28, D-7400, Tübingen, Federal Republic of Germany

    H. G. Erkert & Angelika Thiemann

Authors
  1. H. G. Erkert
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  2. Angelika Thiemann
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Supported by the Deutsche Forschungsgemeinschaft (Er 59/8).

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Erkert, H.G., Thiemann, A. Zeitgeber-schedule dependent resynchronization of circadian rhythms in nocturnal mammals (Primates and Chiroptera). Experientia 37, 983–985 (1981). https://doi.org/10.1007/BF01971793

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  • DOI: https://doi.org/10.1007/BF01971793

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