Effects of square-wave and simulated natural light-dark cycles on hamster circadian rhythms

American Journal of Physiology - Regulatory Integrative and Comparative Physiology

Volumn 276, Issue 4 45-4, 1999, Pages

  Tang, I Hsiung ^a   Murakami, Dean M ^a   Fuller, Charles A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Activity; Body temperature; Dawn; Dusk; Light emitting diode; Masking

Indexed keywords

ANIMAL EXPERIMENT; ARTICLE; BODY TEMPERATURE; CIRCADIAN RHYTHM; CONTROLLED STUDY; HAMSTER; LIGHT DARK CYCLE; LIGHT EMITTING DIODE; MALE; NONHUMAN; PREDICTION; PRIORITY JOURNAL; TELEMETRY;

EID: 0032929231     PISSN: 03636119     EISSN: None     Source Type: Journal    
DOI: 10.1152/ajpregu.1999.276.4.r1195     Document Type: Article

References (20)

1. Aschoff, J., U. Gerecke, and R. Wever. Phase relations between the circadian activity periods and core temperature in humans. Pflügers Arch. Gesamte Physiol. Menschen Tiere 295: 173-183, 1967.
2. Boulos, Z., M. Macchi, and M. Terman. Twilight transitions promote circadian entrainment to lengthening light-dark cycles. Am. J. Physiol. 271 (Regulatory Integrative Comp. Physiol. 40): R813-R818, 1996.
3. Boulos, Z., J. S. Terman, and M. Terman. Circadian phase-response curves for simulated dawn and dusk twilights in hamsters. Physiol. Behav. 60: 1269-1275, 1996.
4. DeCoursey, P. J. Light-sampling behavior in photoentrainment of a rodent circadian rhythm. J. Comp. Physiol. [A] 159: 161-169, 1986.
5. Enright, J. T. The search of rhythmicity in biological time-series. J. Theor. Biol. 8: 426-468, 1965.
6. Fuller, C. A., F. M. Sulzman, and M. C. Moore-Ede. Circadian control of thermoregulation in the squirrel monkey, Saimiri sciureus. Am. J. Physiol. 236 (Regulatory Integrative Comp. Physiol. 5): R153-R161, 1979.
7. Halberg, F., E. A. Johnson, W. Nelson, W. Runge, and R. Sothern. Autorhythmometry procedures for physiologic self-measurements and their analysis. Physiol. Teach. 1: 1-11, 1972.
8. Halberg, F., Y. L. Tong, and E. A. Johnson. Circadian system phase: an aspect of temporal morphology; procedures and illustrative examples. In: The Cellular Aspects of Biorhythms, edited by H. von Mayersbach. Berlin, Germany: Springer-Verlag, 1967, p. 20-38.
9. Kavanau, J. L. Twilight transitions and biological rhythmicity. Nature 194: 1293-1295, 1962.
10. Kavanau, J. L. Behavior of captive white-footed mice. Science 155: 1623-1639, 1967.
11. Kavanau, J. L. Influences of light on activity of the small mammals, Peromyscus spp., Tamias striatus, and Mustela rixosa. Experientia 25: 208-209, 1969.
12. Kavanau, J. L. Locomotion and activity phasing of 6 carnivores and a monkey. Experientia 26: 1026-1027, 1970.
13. Kavanau, J. L., and C. R. Peters. Activity of nocturnal primates: influences of twilight zeitgebers and weather. Science 191: 83-86, 1976.
14. Laakso, M. L., L. Leinonen, S. L. Joutsiniemi, T. Porkka-Heiskanen, and D. Stenberg. Pineal melatonin and locomotor activity of rats under gradual illuminance transitions. Physiol. Behav. 52: 621-628, 1992.
15. Moore-Ede, M. C. Physiology of the circadian timing system: predictive versus reactive homeostasis. Am. J. Physiol. 250 (Regulatory Integrative Comp. Physiol. 19): R737-R752, 1986.
16. Moore-Ede, M. C., F. M. Sulzman, and C. A. Fuller. The Clocks That Time Us. Cambridge, MA: Harvard University Press, 1982.
17. Nelson, D. E., and J. S. Takahashi. Sensitivity and integration in a visual pathway for circadian entrainment in the hamster (Mesocricetus auratus). J. Physiol. (Lond.) 439: 115-145, 1991.
18. Pratt, B. L., and B. D. Goldman. Activity rhythms and photoperiodism of Syrian hamsters in a simulated burrow system. Physiol. Behav. 36: 83-89, 1986.
19. Usui, S., Y. Takahashi, and Y. Honda. Rat circadian rhythms entrain to a descending saw-tooth light intensity cycle. Physiol. Behav. 51: 185-193, 1992.
20. Usui, S., Y. Takahashi, Y. Honda, and S. Ebihara. Circadian behavioral rhythms during various light-intensity cycles in rats. Physiol. Behav. 46: 521-528, 1989.