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Effects of Head-Up Display on Attention Demand and Driving Performance

Explore the impact of head-up display on attention and driving performance, including cognitive capture effects, differences in drivers' performance, and optimal attention shifts between HUD and road. Study conducted on 48 subjects in various driving load conditions.

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Effects of Head-Up Display on Attention Demand and Driving Performance

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  1. Effects of using head-up display in automobile context on attention demand and driving performance Speaker: Jenny2008/10/1

  2. Introduction • Head-up / Head-down display • Need to shift attention • Time-saving: re-accommodation • Increasing workload • Shrink effect (S,N. Roscoe, 1987) • Cognitive capture effect: result from inefficient attention (R.S. McCann, et al.) • attention location and the sequence of attention shift

  3. Differences in drivers’ performance between their attention to the HUD and focus on the road • Differences in performance due to the drivers’ attention switch from the HUD to the road

  4. Method • 48 subjects into 4 groups • 2(driving load, between-subjects) *2(attention location, within-subject) *2(sequence of attention location, between subjects) • Attention-on-HUD 1st to avoid novelty effect • speed limit sign(5s), number(2s), letter A(20s), read diamond(2s)

  5. Driving Loads

  6. Conclusion • During attention-to-HUD, drivers’ enhanced awareness lead better performance • HUD may increase the mental load • Best performance: attention shifted to HUD • Worst: attention shift from HUD to road • Salient effect • Novelty effect: previous training and adaption • Drivers’ attention is limited to the road’s right side, thus it can’t fully simulate real conditions.

  7. The END Thank you!

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