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Modelling the dynamics of angles of human R{R intervals.

Janson, N. B. and Balanov, A. G. and Anishchenko, V. S. and McClintock, Peter V. E. (2001) Modelling the dynamics of angles of human R{R intervals. Physiological Measurement, 22 (3). pp. 565-579. ISSN 0967-3334

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Heart rate variability (HRV) data from young healthy humans is expanded into two components, namely, the angles and radii of a map of R-R intervals. It is shown that, for most subjects at rest breathing spontaneously, the map of successive angles reveals a highly deterministic structure after the frequency range below about 0.05 Hz has been filtered out. However, no obvious low-dimensional structure is found in the map of successive radii. A recently proposed model describing the map of angles for a periodic self-oscillator under external periodic and quasiperiodic forcing is successfully applied to model the dynamics of such angles.

Item Type: Article
Journal or Publication Title: Physiological Measurement
Uncontrolled Keywords: heart rate variability ; modelling ; angles of return times ; circle map ; synchronization
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 31826
Deposited By: Professor P. V. E. McClintock
Deposited On: 23 Feb 2010 13:48
Refereed?: Yes
Published?: Published
Last Modified: 07 Jan 2015 14:21
Identification Number:

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