Assessment of pilot stress based on functional near-infrared techniques

Lu Zhou; Yixuan Xu; Bing Qin; Qiaoqiao Zhu; Zhiyu Qian

doi:10.1117/12.2683911

18 July 2023 Assessment of pilot stress based on functional near-infrared techniques

Lu Zhou, Yixuan Xu, Bing Qin, Qiaoqiao Zhu, Zhiyu Qian

Proceedings Volume 12745, Sixteenth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2023); 127450T (2023) https://doi.org/10.1117/12.2683911
Event: Sixteenth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2023), 2023, Haikou, China

Abstract

Excessive stress levels can lead to fluctuations in pilot operating techniques, decreased quality of work, increased errors, impulsive behavior, and communication difficulties, resulting in reduced pilot coping ability to the environment, behavioral disorders, and flight accidents. The purpose of this study is to analyze the cerebral blood oxygen characteristics of pilots before and after stress and the relationship between this characteristic and their antiglare performance by functional near-infrared techniques (fNIRs), and to establish an index for the evaluation of pilots' stress response. A total of 15 pilots were recruited in this study, and the stress of the pilots was induced by spin ladder training, while the cerebral blood oxygen of the pilots was collected simultaneously by fNIRs. It was found that the difference in HbO₂ between the left and right brain regions was significantly different before and after the stress stimulation caused by spin-ladder training, and the difference in HbO₂ was elevated by 0.072 (p ⪅ 0.05) after the stimulation. In contrast, the difference in Hb decreased by 0.068 (p ⪅ 0.05) after the stimulation. Furthermore, the value of the change in HbO₂ showed a significant negative correlation with the level of anti-vertigo in the subjects: r = -0.925, p ⪅ 0.01. The results of this study can be used to indicate the level of rotational stress in pilots and to predict and assess the anti-glare potential of flight trainees.

Citation Download Citation

Lu Zhou, Yixuan Xu, Bing Qin, Qiaoqiao Zhu, and Zhiyu Qian "Assessment of pilot stress based on functional near-infrared techniques", Proc. SPIE 12745, Sixteenth International Conference on Photonics and Imaging in Biology and Medicine (PIBM 2023), 127450T (18 July 2023); https://doi.org/10.1117/12.2683911

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KEYWORDS

Education and training

Brain

Data acquisition

Oxygen

Blood

Spectroscopy

Near infrared

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