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Chronobiology International
The Journal of Biological and Medical Rhythm Research
Volume 4, 1987 - Issue 2
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Original Article

Effects of Pregnancy and Parturition on Free-Running Circadian Activity Rhythms in the Rat

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Pages 183-187 | Received 01 Jul 1986, Accepted 01 Nov 1986, Published online: 07 Jul 2009

References

  • Albers H. E. Gonadal hormones organize and modulate the circadian system of the rat. Am J Physiol 1981; 241: R62–R66
  • Axelson J. F., Gerali A. A., Albers H. E. Effect of progesterone on the estrous activity cycle of the rat. Physiol Behav 1981; 26: 631–635
  • Daan S., Damassa D., Pittendrigh C. S., Smith E. R. An effect of castration and testosterone replacement on a circadian pacemaker in mice. (Mus musculus). Proc Nat Acad Sci (USA) 1975; 72: 3744–3747
  • Gwinner E. Testosterone induces “splitting” of circadian locomotor activity rhythms in birds. Science 1974; 185: 72–74
  • Morin L. P. Effect of ovarian hormones on synchrony of hamster circadian rhythms. Physiol Behav 1980; 24: 741–749
  • Morin L. P., Cummings L. A. Effect of surgical or photoperiodic castration, testosterone replacement or pinealectomy on male hamster running rhythmicity. Physiol Behav 1981; 26: 825–838
  • Morin L. P., Cummings L. A. Splitting of wheelrunning rhythms by castrated or steroid treated male and female hamsters. Physiol Behav 1982; 29: 665–675
  • Morin L. P., Fitzgerald K. M., Zucker I. Estradiol shortens the period of hamster circadian rhythms. Science 1977; 196: 305–307
  • Takahashi J. S., Menaker M. Interaction of estradiol and progesterone: effects on circadian locomotor rhythm of female golden hamster. Am J Physiol 1980; 239: R497–R504
  • Widmaier E. P., Campbell C. S. Interaction of estradiol and photoperiod on activity patterns in the female hamster. Physiol Behav 1980; 24: 923–930
  • Zucker I., Fitzgerald K. M., Morin L. P. Sex differentiation of the circadian system of the golden hamster. Am J Physiol 1980; 238: R97–R101
  • Albers H. E., Gerall A. A., Axelson J. F. Effect of reproductive state on circadian periodicity in the rat. Physiol Behav 1981; 26: 21–25
  • Mrosovosky N., Boshes M., Hallonquist J. D., Lang K. Circannual cycle of circadian cycles in a golden-mantled ground squirrel. Naturwissen 1976; 63: 298–299
  • Ellis G. B., Turek F. W. Changes in locomotor activity associated with the photoperiodic response of the testes in male golden hamsters. J Comp Physiol 1979; 132: 277–284
  • Gwinner E. Effects of season and external testosterone on the free-running circadian activity rhythm of European starlings. (Sturnus vulgaris). J Comp Physiol 1975; 103: 315–325
  • Pittendrigh C. S., Daan S. A functional analysis of circadian pacemakers in nocturnal rodents I. The stability and lability of spontaneous frequency. J Comp Physiol 1976; 106: 223–252
  • Slonaker J. R. The effect of copulation, pregnancy, pseudopregnancy, and lactation on the voluntary activity and food consumption of the albino rat. Am J Physiol 1925; 71: 362–394
  • Rosenblatt J. S., Siegel H. I. Physiological and behavioral changes during pregnancy and parturition underlying the onset of maternal behavior in rodents. Parental Behavior of Rodents, R. W. Elwood. J. Wiley and Sons, New York 1983; 23–66

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