A driving simulator test of an alertness device

Willem B. Verwey, David M. Zaidel

Research output: Contribution to conferencePaper

13 Downloads (Pure)


A simulator study investigated whether drivers' alertness, in drowsiness inducing conditions, can be maintained by a game-like system, a gamebox. Drowsiness was assessed by self-rating, blinking rate and eye closures. Mental effort was assessed by the NASA-TLX scale and by a physiological measure - the 0.1 Hz component of heart rate. Driving quality and safety were assessed by lane position and steering movements, a TLC (time-to-line crossing) measure, and by the occurrence of safety related driving errors - solid line crossings, driving off the pavement incidents and accidents.
When driving with the game device, drivers reported lower degrees of drowsiness and fewer instances of sleep episodes. Eye closures were in agreement with the subjective reports by drivers. Compared to a control condition, driving with the device resulted in fewer accidents and incidents and these occurred later in the session. The quality of vehicle control deteriorated over the course of the session, but less so in the gamebox condition. The gamebox benefited to some extent all drivers, but more so drivers who generally considered themselves very susceptible to drowsiness.
Original languageEnglish
Number of pages10
Publication statusPublished - 1997
Externally publishedYes
EventICTCT Conference 1997 - Lund, Sweden
Duration: 5 Nov 19977 Nov 1997


ConferenceICTCT Conference 1997


Dive into the research topics of 'A driving simulator test of an alertness device'. Together they form a unique fingerprint.

Cite this