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Sex Differences in Time-Domain and Frequency-Domain Heart Rate Variability Measures of Fatigued Drivers

Author

Listed:
  • Chao Zeng

    (College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China)

  • Wenjun Wang

    (State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
    School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China)

  • Chaoyang Chen

    (Department of Biomedical Engineering, Wayne State University, Detroit, MI 48201, USA)

  • Chaofei Zhang

    (State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
    School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China)

  • Bo Cheng

    (State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
    School of Vehicle and Mobility, Tsinghua University, Beijing 100084, China)

Abstract

The effects of fatigue on a driver’s autonomic nervous system (ANS) were investigated through heart rate variability (HRV) measures considering the difference of sex. Electrocardiogram (ECG) data from 18 drivers were recorded during a simulator-based driving experiment. Thirteen short-term HRV measures were extracted through time-domain and frequency-domain methods. First, differences in HRV measures related to mental state (alert or fatigued) were analyzed in all subjects. Then, sex-specific changes between alert and fatigued states were investigated. Finally, sex differences between alert and fatigued states were compared. For all subjects, ten measures showed significant differences (Mann-Whitney U test, p < 0.01) between different mental states. In male and female drivers, eight and four measures, respectively, showed significant differences between different mental states. Six measures showed significant differences between males and females in an alert state, while ten measures showed significant sex differences in a fatigued state. In conclusion, fatigue impacts drivers’ ANS activity, and this impact differs by sex; more differences exist between male and female drivers’ ANS activity in a fatigued state than in an alert state.

Suggested Citation

  • Chao Zeng & Wenjun Wang & Chaoyang Chen & Chaofei Zhang & Bo Cheng, 2020. "Sex Differences in Time-Domain and Frequency-Domain Heart Rate Variability Measures of Fatigued Drivers," IJERPH, MDPI, vol. 17(22), pages 1-17, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:22:p:8499-:d:446098
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    Cited by:

    1. Jiyoung Oh & Haengwoo Lee & Heykyung Park, 2021. "Effects on Heart Rate Variability of Stress Level Responses to the Properties of Indoor Environmental Colors: A Preliminary Study," IJERPH, MDPI, vol. 18(17), pages 1-20, August.
    2. Qingchang Wu & Guoliang Fang & Jiexiu Zhao & Jian Liu, 2022. "Effect of Transcranial Pulsed Current Stimulation on Fatigue Delay after Medium-Intensity Training," IJERPH, MDPI, vol. 19(12), pages 1-15, June.

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