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Evaluation of Stress Parameters Based on Heart Rate Variability Measurements

In this study, heart rate variability measurements and analysis was carried with help of the ECG recordings to show how autonom nervous system activity changes. So as to evaluate the parameters related to stress of the study, the situation of relaxation, Stroop color/word test, mental test and auditory stimulus that would stress someone out were applied to six volunteer participants in a laboratory environment. Being taken totally seven minutes ECG recording and made analysis in time and frequency domain, it was tried to determine that how the parameters that shows autonom nervous system activity change in the position of stress. In frequency domain analysis there has seen significant increase in low frequency band (LF band) which indicates sympathetic activity particularly during mental and Stroop color/word tests.

Keywords:

Stress heart rate variability, autonom nervous system,

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