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“Musica delenit bestiam feram” translates into “Music soothes the savage beast”. There is a hidden truth in this ancient quip passed down from generations. Besides soothing the heart, it also incites the heart to a healthier level of heart rate variability (HRV). In this paper, an approach to use and test music and biofeedback to increase the heart rate variability for people facing daily stress is...
This study proposes a methodology to detect circaseptan (CS) rhythm in pulse rate (PR) data and to investigate the “Monday effect” in CS rhythm. Daily PR was collected from a middle-aged healthy working woman over one year. PR, SDNN index and sample entropy (SampEn) were chosen as the indexes of PR dynamics. In order to avoid interference from other biorhythms, ensemble empirical mode decomposition...
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