Abstract
IN laboratory investigations of biological rhythmicity, changes in ambient illumination are usually brought about by turning lamps on and off1. The responses of deer mice to artificial bright–dim light cycles with simulated twilight transitions are at present being examined in this laboratory.
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KAVANAU, J. Twilight Transitions and Biological Rhythmicity. Nature 194, 1293–1295 (1962). https://doi.org/10.1038/1941293a0
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DOI: https://doi.org/10.1038/1941293a0
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