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Decaying of phase synchronization in parkinsonian tremor

Author

Listed:
  • Gozolchiani, Avi
  • Moshel, Shay
  • Hausdorff, Jeffrey M.
  • Simon, Ely
  • Kurths, Jürgen
  • Havlin, Shlomo

Abstract

We describe effects of the asymmetry of cycles and non-stationarity in time series on the phase synchronization method which may lead to artifacts. We develop a modified method that overcomes these effects and apply it to study parkinsonian tremor. Our results indicate that there is synchronization between two different hands and provide information about the time delay separating their dynamics. These findings suggest that this method may be useful for detecting and quantifying weak synchronization between two non-stationary signals.

Suggested Citation

  • Gozolchiani, Avi & Moshel, Shay & Hausdorff, Jeffrey M. & Simon, Ely & Kurths, Jürgen & Havlin, Shlomo, 2006. "Decaying of phase synchronization in parkinsonian tremor," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 366(C), pages 552-560.
    • Handle: RePEc:eee:phsmap:v:366:y:2006:i:c:p:552-560
    DOI: 10.1016/j.physa.2005.10.033
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    Citations

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    Cited by:

    1. Lahmiri, Salim, 2017. "Parkinson’s disease detection based on dysphonia measurements," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 471(C), pages 98-105.
    2. Govindan, R.B. & Al-Shargabi, Tareq & Andescavage, Nickie N. & Metzler, Marina & Lenin, R.B. & Plessis, Adré du, 2017. "Assessing statistical significance of phase synchronization index — An application to study baroreflex function in critically-ill infants," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 465(C), pages 331-337.

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