5 November 1993 Assessment of anxiety using heart rate nonlinear dynamics
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Various anxiety states have been linked with disorders of the autonomic nervous system. These autonomic disorders may be revealed by analysis of physiological time series such as the heart rate interbeat interval series. The present paper reports a general model of biological system functioning and related assessment indices based on recent nonlinear dynamical systems approaches. In particular, two experimental studies are reported which suggest the utility of heart rate nonlinear dynamics in the assessment of anxiety.
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Julian F. Thayer, Julian F. Thayer, Bruce H. Friedman, Bruce H. Friedman, "Assessment of anxiety using heart rate nonlinear dynamics", Proc. SPIE 2036, Chaos in Biology and Medicine, (5 November 1993); doi: 10.1117/12.162730; https://doi.org/10.1117/12.162730


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