Evaluation of Stress Parameters Based on Heart Rate Variability Measurements

Year 2017, Volume: 17 Issue: 1, 3057 - 3063, 27.03.2017

Fatma Uysal Mahmut Tokmakçı

Abstract

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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