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Scaling Behaviour and Memory in Heart Rate of Healthy Human |
| CAI Shi-Min1;PENG Hu1;YANG Hui-Jie2;ZHOU Tao3,4;ZHOU Pei-Ling1;WANG Bing-Hong2,3 |
| 1Department of Electronic Science and Technology, University of Science and Technology of China, Hefei 2300262Institute of Complex Adaptive Systems, Shanghai Academy of System Science, Shanghai 2000933Department of Modern Physics, University of Science and Technology of China, Hefei 2300264Department of Physics, University of Fribourg, Chemin du Muse 3, CH-1700 Fribourg, Switzerland |
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| Cite this article: |
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CAI Shi-Min, PENG Hu, YANG Hui-Jie et al 2007 Chin. Phys. Lett. 24 3002-3005 |
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Abstract We investigate a set of complex heart rate time series from healthy human in different behaviour states with the detrended fluctuation analysis and diffusion entropy (DE) method. It is proposed that the scaling properties are influenced by behaviour states. The memory detected by DE exhibits an approximately same pattern after a detrending procedure. Both of them demonstrate the long-range strong correlations in heart rate. These findings may be helpful to understand the underlying dynamical evolution process in the heart rate control system, as well as to model the cardiac dynamic process.
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87.19.Hh
05.40-a
87.80.Vt
89.75.Da
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Received: 23 January 2007
Published: 20 September 2007
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