Detection method for unrecognized spatial disorientation based on optical flow stimuli.

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-01-01 DOI:10.3233/THC-248030

Chenru Hao, Rui Su, Chunnan Dong, Jingjing Zhang, Ziqiang Chi, Fanzhen Meng, Ruibin Zhao, Yanru Wu, Linlin Wang, Pengfei Li, Chengwei Chen, Qingjie Lian, Li Cheng

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Abstract

Background: Flight accidents caused by spatial disorientation (SD) greatly affect flight safety.

Objective: Few studies have been devoted to the evaluation of SD.

Methods: 10 pilots and 10 non-pilots were recruited for the experimental induction of SD. Videos for giving optical flow stimuli were played at two different flow speeds to induce SD. Subjective judgment and center of foot pressure (CoP) data were collected from the tests. The data were combined to determine the occurrence of SD and analyze the SD types.

Results: The number of self-reported SD events was slightly smaller in the pilots than in the non-pilots. The average upper bound of the confidence interval for the standard deviation of CoP was 0.32 ± 0.09 cm and 0.38 ± 0.12 cm in the pilots and non-pilots, respectively. This indicator was significantly lower in the pilots than in the non-pilots (P= 0.03). The success rate of the experimental induction of unrecognized SD was 26.7% and 45.0% in the pilots and non-pilots, respectively.

Conclusion: The method offered a new to analyze unrecognized SD. We could determine the occurrence unrecognized SD. This is an essential means of reducing flight accidents caused by unrecognized SD.

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基于光流刺激的未识别空间迷失检测方法。

背景由空间定向障碍（SD）引起的飞行事故对飞行安全有很大影响：方法：招募 10 名飞行员和 10 名非飞行员进行 SD 诱导实验。方法：招募 10 名飞行员和 10 名非飞行员进行诱导 SD 的实验，以两种不同的流速播放给予光流刺激的视频，诱导 SD。从测试中收集主观判断和脚心压力（CoP）数据。综合这些数据来确定自毁现象的发生率并分析自毁类型：结果：飞行员自我报告的 SD 事件数量略少于非飞行员。飞行员和非飞行员的 CoP 标准偏差置信区间平均上限分别为 0.32 ± 0.09 厘米和 0.38 ± 0.12 厘米。飞行员的这一指标明显低于非飞行员（P= 0.03）。飞行员和非飞行员实验诱导未识别 SD 的成功率分别为 26.7% 和 45.0%：结论：该方法为分析未识别自毁提供了一种新方法。我们可以确定未识别自毁的发生率。这是减少因未识别自毁而导致飞行事故的重要手段。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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