Quantifying the causal strength of multivariate cardiovascular couplings with momentary information transfer

Jakob Runge, Maik Riedl, Holger Stepan, Niels Wessel, Juergen Kurths

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The article introduces an information-theoretic approach to detect and quantify causal couplings in the complex cardiovascular system. In a first step a causal algorithm detects the coupling delays and in a second step the causal strength of each coupling mechanism is quantified using the recently introduced momentary information transfer. As a preliminary example, the method is applied to time series of respiration, systolic and diastolic blood pressure, and heart rate of pregnant healthy women and women suffering from pre-eclampsia. A possible explanation for the influence of heart rate on systolic blood pressure is found.
Original languageEnglish
Pages (from-to)149-150
Number of pages2
JournalPhysiological Measurement
Volume36
Issue number4
DOIs
Publication statusPublished - 23 Mar 2015

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