Abstract
In-vehicle information display is critical for driving safety and
has been the focus of transportation and display technology research.
Cellphone use, while driving is popular, leads to distraction and impairs
driving performance. A new head-mounted display (HMD), Google Glass, has
been developed in hope of reducing the visual distractions caused by a
head-down display (HDD), such as a smartphone. Alternatively, HMD could
induce greater distraction by giving drivers the false impression that
they are simultaneously paying attention to both the HMD and the road. We
compared driving performance in a simulated tactical lane-changing task
while drivers read from either an HMD (e.g., Google Glass) or an HDD
(e.g., smartphone). Although both HMD and HDD use impaired driving
performance, drivers produced smaller lane variation, had fewer lane
excursions, and lower subjective workload when using an HMD than when
using an HDD. Wearable display technologies like Google Glass might reduce
the impairment caused by looking down at a smartphone.
© 2016 IEEE
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