The driver vigilance telemetric control system (DVTCS) : investigating sensitivity to experimentally induced sleep loss and fatigue.
20090309 ST [electronic version only]
Dorrian, J. Lamond, N. Kozuchowski, K. & Dawson, D.
Behavior Research Methods, Vol. 40 (2008), No. 4 (November), p. 1016-1025, 43 ref.
|Samenvatting||Vigilance technologies are used in the Australian rail industry to address the risks associated with driver sleepiness and fatigue. The aim of this study was to investigate whether a new device, designed to detect lowered states of arousal using electrodermal activity (EDA), would be sensitive to experimentally induced sleepiness and fatigue. Fifteen individuals (7 of them female, 9 male; 18-32 years of age) spent 3 consecutive days in the laboratory, which included 1 night of sustained wakefulness (28 h). The participants completed a 10-min psychomotor vigilance task (PVT) and fatigue and sleepiness ratings every 2 h, and a 30-min driving simulator every 4 h. As was expected, simulated driving, PVT, and subjective ratings indicated increasing levels of sleepiness and fatigue during sustained wakefulness. The EDA device output did not coincide with these findings. The results indicated that the EDA indicator was not sensitive to increased sleepiness and fatigue at the levels produced in the present study. (Author/publisher)|
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