Is More Better? — Night Vision Enhancement System’s Pedestrian Warning Modes and Older Drivers
Identifieur interne : 001296 ( Pmc/Corpus ); précédent : 001295; suivant : 001297Is More Better? — Night Vision Enhancement System’s Pedestrian Warning Modes and Older Drivers
Auteurs : Timothy Brown ; Yefei He ; Cheryl RoeSource :
- Annals of Advances in Automotive Medicine / Annual Scientific Conference [ 1943-2461 ] ; 2010.
Abstract
Pedestrian fatalities as a result of vehicle collisions are much more likely to happen at night than during day time. Poor visibility due to darkness is believed to be one of the causes for the higher vehicle collision rate at night. Existing studies have shown that night vision enhancement systems (NVES) may improve recognition distance, but may increase drivers’ workload. The use of automatic warnings (AW) may help minimize workload, improve performance, and increase safety. In this study, we used a driving simulator to examine performance differences of a NVES with six different configurations of warning cues, including: visual, auditory, tactile, auditory and visual, tactile and visual, and no warning. Older drivers between the ages of 65 and 74 participated in the study. An analysis based on the distance to pedestrian threat at the onset of braking response revealed that tactile and auditory warnings performed the best, while visual warnings performed the worst. When tactile or auditory warnings were presented in combination with visual warning, their effectiveness decreased. This result demonstrated that, contrary to general sense regarding warning systems, multi-modal warnings involving visual cues degraded the effectiveness of NVES for older drivers.
Url:
PubMed: 21050616
PubMed Central: 3242535
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