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The 5th 2012 Biomedical Engineering International Conference
In this study we analyzed the heart rate variability of 21 subjects, 12 females and 9 males performing a two-step task. The subjects were requested to watch a relaxing movie for 30 minutes and, in a different day, to watch a stressful movie again for 30 minutes. The electrocardiographic signal was recorded for all the duration of the sessions. The series of the beat-to-beat time intervals were analyzed by detrended fluctuation analysis. The short-term variability index clearly indicated adoi:10.1109/bmeicon.2012.6465486 fatcat:dqxkmq5oyjdvvj3muksk6rpffy