脑力负荷对前注意加工的影响与分析

完颜笑如; 庄达民; 刘伟

脑力负荷对前注意加工的影响与分析

1.
北京航空航天大学航空科学与工程学院, 北京 100191
2. 北京邮电大学自动化学院, 北京 100876

基金项目: 国家重点基础研究发展计划(2010CB734104)

详细信息

中图分类号: R 857.1; B 842.1
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出版历程
- 收稿日期: 2010-12-21
- 网络出版日期: 2012-04-30

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

摘要

摘要: 为研究与飞行任务相关的脑力负荷对听觉前注意加工的影响,采用14名被试者在不同脑力负荷下开展飞行模拟实验,并记录失匹配负波(MMN, Mismatch Negativity)作为听觉前注意加工的评价指标.被试者需要在飞行模拟器上完成包括起飞、巡航、降落在内的完整飞行过程,同时对平视显示器所呈现的目标信息状态进行监视,并对异常信息进行响应.实验通过设定目标信息的数量及刷新频率来控制被试者的脑力负荷水平.实验结果表明:脑力负荷对额中央区MMN影响显著,可为复杂飞行任务的脑力负荷评价提供一定的电生理依据.
- 脑力负荷 /
- 前注意加工 /
- 失匹配负波 /
- 飞行模拟 /
- 人机工效
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.
- mental workload /
- preattentive processing /
- mismatch negativity /
- flight simulation /
- ergonomics

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参考文献(16)

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