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Model for the heart beat-to-beat time series during meditation

✍ Scribed by A Capurro; L Diambra; C.P Malta

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
139 KB
Volume
327
Category
Article
ISSN
0378-4371

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✦ Synopsis

We present a model for the respiratory modulation of the heart beat-to-beat interval series. The model consists of a pacemaker, that simulates the membrane potential of the sinoatrial node, modulated by a periodic input signal plus correlated noise that simulates the respiratory input. The model was used to assess the waveshape of the respiratory signals needed to reproduce in the phase space the trajectory of experimental heart beat-to-beat interval data. The data sets were recorded during meditation practices of the Chi and Kundalini Yoga techniques. Our study indicates that in the ΓΏrst case the respiratory signal has the shape of a smoothed square wave, and in the second case it has the shape of a smoothed triangular wave.

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