The Development of Cardiac Rate Regulation in Preweanling Rats

@article{Hofer1969TheDO,
  title={The Development of Cardiac Rate Regulation in Preweanling Rats},
  author={M. Hofer and M. Reiser},
  journal={Psychosomatic Medicine},
  year={1969},
  volume={31},
  pages={372–388}
}
  • M. Hofer, M. Reiser
  • Published 1969
  • Medicine
  • Psychosomatic Medicine
    • &NA; Cardiac rate was recorded by lightweight leads from unrestrained pups under 4 conditions: in the home cage litter situation, while being picked up by the experimenter, during 6 min alone in a novel environment, and in response to a startle stimulus. Resting heart rates in the litter showed evidence of high sympathetic activity during the second week of life; cardiac responses to stimulation were consistently deceleratory. By 20 days, the adult pattern of low resting rates and tachycardia… CONTINUE READING
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