you ever almost fallen asleep at the wheel and wished that someone or something was there to alert you? Tired drivers, often unaware of how tired they are, frequently drive for 3 to30 seconds with their eyes closed. Drowsy drivers--especially commercial truck drivers--pose a major threat to roadway safety. Drowsy driver crashes cost $12 billion and contribute to up to 35% of the 4,400 annual truck driver deaths.

Progress has been made in measuring drowsiness and understanding its effects on human performance in the lab and in simulated and operational driving conditions. This work builds on previous research with drowsy drivers and identifies an appropriate design for a drowsy driver detection interface with user-centered design principles central to the development.

The researchers consulted design and usability experts and a representative group of drivers about their perceptions, preferences, issues, and attitudes, and the consequences of adapating to and using a drowsy driver detection and warning system. Through a focus group session, truck drivers talked about their past experiences with drowsy driving, considered four different modes of delivering the alerts/warnings, and came to some agreement that the warnings should be aggressive and continue until they were acknowledged.

A functional prototype that incorporates the drivers' preferences has been integrated into a product by Attention Technology Inc. that was released in May 2003.

MEDICAL ERROR
Barriers to Implementing Wrong Site Surgery Guidelines: A Cognitive Work Analysis Michelle Rogers and Marta L. Render, VA Midwest Patient Safety Center of Inquiry Wednesday, October 15, 10:30 a.m.-12:00 noon, Governor's Square 15

The number of medical errors resulting in surgery on the wrong site increased from 8% of all errors in 1998 to more than 15% in 2002 (as reported to the Joint Commission on Accreditation of Healthcare Organizations, JCAHO).

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Contact: Lois Smith
lois@hfes.org
310-394-1811
Human Factors and Ergonomics Society
3-Oct-2003

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