EEG功率信息显示特征对认知负荷的影响

doi:10.16265/j.cnki.issn1003-3033.2020.02.029

中国安全科学学报 ›› 2020, Vol. 30 ›› Issue (2): 183-189.doi: 10.16265/j.cnki.issn1003-3033.2020.02.029

EEG功率信息显示特征对认知负荷的影响

陈龙¹, 王崴^*1 教授, 瞿珏^1,2 副教授, 胡波¹, 蔡睿¹, 赵敏睿¹

1.中国人民解放军空军工程大学防空反导学院,陕西西安 710051;
2.西北工业大学航空学院,陕西西安 710072

收稿日期:2019-11-18 修回日期:2020-01-10 出版日期:2020-02-28 发布日期:2021-01-25
通讯作者: **王崴(1974—),男,陕西长武人,博士,教授,博士生导师,从事人机工程和机电系统数字化设计。E-mail:1hww11@tom.com。
作者简介:陈龙(1997—),男,江西万载人,硕士研究生,研究方向为人机工程。E-mail:2940782854@qq.com。
基金资助:
国家自然科学基金资助(51675530)。

Influence of display characteristics of EEG power on cognitive load

CHEN Long¹, WANG Wei¹, QU Jue^1,2, HU Bo¹, CAI Rui¹, ZHAO Minrui¹

1. Air and Missile Defense College, Air Force Engineering University, Xi'an Shaanxi 710051, China;
2. School of Aeronautics, Northwestern Polytechnical University, Xi'an Shaanxi 710072, China

Received:2019-11-18 Revised:2020-01-10 Online:2020-02-28 Published:2021-01-25

摘要/Abstract

摘要： 为解决防空反导指控舱人机界面“巨量信息,有限显示”的矛盾,通过试验探究信息显示率、信息提供率、数据更新率对指控舱界面认知负荷的影响。建立以脑电信号(EEG)α波的频谱功率及任务负荷指数(TLX)量表为评价指标的主、客观认知负荷综合评价模型,并用此模型评估认知负荷。结果表明:3个因素对认知负荷影响极其显著,影响从大到小排序为信息显示率、信息提供率、数据更新率;使认知负荷最小的因素组合为信息显示率80 bit、信息提供率4 bit、数据更新率3 s。

关键词: 信息显示, 认知负荷, 脑电信号(EEG), 人机界面, α波频谱功率

Abstract: In order to solve contradiction between "massive information and limited display" of human- computer interface in air and missile defense control cabin, influence of information display ratio, information delivery ratio and data update ratio on cognitive load of interface was explored through experiments. A comprehensive evaluation model of subjective and objective cognitive load was established with spectral power of EGG alpha wave and task load index (TLX) scale as indicators, and was used to evaluate cognitive load. The results show that these three factors have a significant impact on cognitive load in an order of information display ratio, information delivery ratio, and data update ratio decreasingly according to their influence degree. The combination that that minimizes cognitive load is formed with aninformation display ratio of 80 bits, an information delivery ratio of 4 bits, and an data update ratio of 3 s.

Key words: information display, cognitive load, electroencephalogram (EEG), human computer interface, Alpha wave spectrum power

中图分类号:

X944.4

陈龙, 王崴, 瞿珏, 胡波, 蔡睿, 赵敏睿. EEG功率信息显示特征对认知负荷的影响[J]. 中国安全科学学报, 2020, 30(2): 183-189.

CHEN Long, WANG Wei, QU Jue, HU Bo, CAI Rui, ZHAO Minrui. Influence of display characteristics of EEG power on cognitive load[J]. China Safety Science Journal, 2020, 30(2): 183-189.

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EEG功率信息显示特征对认知负荷的影响

Influence of display characteristics of EEG power on cognitive load

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