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Effects of using head-up display in automobile context on attention demand and driving performance

Effects of using head-up display in automobile context on attention demand and driving performance. Speaker: Jenny 2008/10/1. Introduction. Head-up / Head-down display Need to shift attention Time-saving: re-accommodation Increasing workload Shrink effect (S,N. Roscoe, 1987)

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Effects of using head-up display in automobile context 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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