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Volume 38 Issue 4
Apr.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  (4): 497-501.
Wanyan Xiaoru, Zhuang Damin, Liu Weiet al. Analysis on effect of mental workload on preattentive processing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (4): 497-501. (in Chinese)
Citation: Wanyan Xiaoru, Zhuang Damin, Liu Weiet al. Analysis on effect of mental workload on preattentive processing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (4): 497-501. (in Chinese)
shu

Analysis on effect of mental workload on preattentive processing

  • 1.

    School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • 2. School of Automation, Beijing University of Posts and Telecommunications, Beijing 100876, China

  • Received Date: 21 Dec 2010
  • Publish Date: 30 Apr 2012
    Abstract
  • To investigate the effects of mental workload related to flight task on the preattentive processing, 14 subjects performed a flight simulation task under different mental workloads, and the mismatch negativity (MMN) was recorded as evaluation index. The subjects were asked to perform the whole process of flight simulation in a flight simulator, including take-off, cruise and landing. During the flight, subjects were instructed to keep monitoring the information targets presented on the head-up display and respond to any abnormal information. The mental workloads were manipulated by setting the quantities and refresh frequencies of the information targets. The experiment results reveale that the frontal-central MMN is affected by mental workload significantly. The present study can offer electrophysiological reference for flight mental workload assessment in complex tasks.

     

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