Decaying of phase synchronization in parkinsonian tremor

Avi Gozolchiani*, Shay Moshel, Jeffrey M. Hausdorff, Ely Simon, Jürgen Kurths, Shlomo Havlin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)552-560
Number of pages9
JournalPhysica A: Statistical Mechanics and its Applications
StatePublished - 1 Jul 2006
Externally publishedYes


  • Delay
  • Nonstationarity
  • Synchronization
  • Synchronization decay
  • Tremor


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