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Spectral analysis of heart rate variability as an indicator of driver fatigue






Ergonomics 25(7): 663-672

Spectral analysis of heart rate variability as an indicator of driver fatigue

The effect of distance driven on 3 physiological variables taken to be indicators of fatigue was investigated on a 340 km highway circuit with 8 inexperienced drivers as subjects. The physiological variables used were spectral values of heart rate variability [HRV] in the 0.05-0.15 Hz region (0.1 Hz HRV) supplemented by SD of heart rate mean (SD HRV) and heart rate mean (HR). The analysis showed a significant relationship between 0.1 Hz HRV and distance driven while SD HRV and HR showed no direct relationship. The reason for this differential effect on the 3 physiological variables was discussed, and it was concluded that 0.1 Hz HRV seems to be a sensitive indicator of drive fatigue.

Accession: 006459417

PMID: 7128574

DOI: 10.1080/00140138208925026

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