Behavioral-independent features of complex heartbeat dynamics.

@article{Amaral2001BehavioralindependentFO,
  title={Behavioral-independent features of complex heartbeat dynamics.},
  author={Lu{\'i}s A. Nunes Amaral and Plamen Ch. Ivanov and Naoko Aoyagi and Ichiro Hidaka and Shoichi Tomono and Ary L. Goldberger and H. Eugene Stanley and Yoshiaki Yamamoto},
  journal={Physical review letters},
  year={2001},
  volume={86 26 Pt 1},
  pages={6026-9}
}
We test whether the complexity of the cardiac interbeat interval time series is simply a consequence of the wide range of scales characterizing human behavior, especially physical activity, by analyzing data taken from healthy adult subjects under three conditions with controls: (i) a "constant routine" protocol where physical activity and postural changes… CONTINUE READING