Summary
The circadian systems of 2 strains of the Syrian hamster responded differently to single short light pulses. The differences in the amplitudes of the phase response curves were associated with different ranges of entrainment of the circadian rhythms to periodic light pulses.
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This study was supported by the Deutsche Forschungsgemeisschaft, Schwerpunktprogramm: Mechanismen biologischer Uhren.
The author is very grateful to Dr M. Menaker and J. S. Takahashi (University of Oregon, Eugene) for shipping hamsters of the NJ-strain to our laboratory and for scientific encouragement.
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Pohl, H. Strain differences in responses of the circadian system to light in the Syrian hamster. Experientia 39, 372–374 (1983). https://doi.org/10.1007/BF01963129
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DOI: https://doi.org/10.1007/BF01963129