通过多模态可穿戴生理传感技术对急性精神压力进行推理追踪:概念验证研究

IF 5.3 2区 医学 Q1 ENGINEERING, BIOMEDICAL
Yuanyuan Zhou , Azin S. Mousavi , Yekanth R. Chalumuri , Jesse D. Parreira , Mihir Modak , Jesus Antonio Sanchez-Perez , Asim H. Gazi , Omer T. Inan , Jin-Oh Hahn
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引用次数: 0

摘要

方法我们通过交叉整合多模态生理信号,包括心电图(ECG)、光电心动图(PPG)、地震心动图(SCG)、球心动图(BCG)、皮电活动(EDA)和呼吸努力,得出了心理压力生理反应的突出数字签名。然后,我们开发了一种用于追踪急性精神压力的算法,该算法可以通过计算与压力和无压力状态下精神压力数字签名相关的先验概率密度分布有关的聚合似然值,对压力和无压力状态进行连续分类。结果我们的算法可以利用从多模态生理信号交叉整合中获得的少量突出数字签名充分推断精神压力状态(平均分类准确率:0.85,灵敏度:0.85,特异性:0.86)。在追踪急性精神压力方面,我们工作中的数字签名明显优于最先进的数字签名。结论:我们的急性精神压力跟踪算法有望通过便捷的可穿戴生理传感技术,在连续、高精度和高置信度的精神压力推断方面实现飞跃。意义重大:持续监测和跟踪精神压力的能力可以共同改善人类的福祉。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inference-enabled tracking of acute mental stress via multi-modal wearable physiological sensing: A proof-of-concept study

Objective

To develop a novel algorithm for tracking acute mental stress which can infer acute mental stress state from multi-modal digital signatures of physiological parameters compatible with wearable-enabled sensing.

Methods

We derived prominent digital signatures of physiological responses to mental stress using cross-integration of multi-modal physiological signals including the electrocardiogram (ECG), photoplethysmogram (PPG), seismocardiogram (SCG), ballistocardiogram (BCG), electrodermal activity (EDA), and respiratory effort. Then, we developed an algorithm for tracking acute mental stress that can continuously classify stress vs no stress states by computing an aggregated likelihood computed with respect to a priori probability density distributions associated with the digital signatures of mental stress under stress and no stress states.

Results

Our algorithm could adequately infer mental stress state (average classification accuracy: 0.85, sensitivity: 0.85, specificity: 0.86) using a small number of prominent digital signatures derived from cross-integration of multi-modal physiological signals. The digital signatures in our work significantly outperformed the digital signatures employed in the state-of-the-art in tracking acute mental stress. Its exploitation of collective inference allowed for improved inference of mental stress state relative to naïve data mining techniques.

Conclusion

Our algorithm for tracking acute mental stress has the potential to make a leap in continuous, high-accuracy, and high-confidence inference of mental stress via convenient wearable-enabled physiological sensing. Significance: The ability to continuously monitor and track mental stress can collectively improve human wellbeing.

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来源期刊
CiteScore
16.50
自引率
6.20%
发文量
77
审稿时长
38 days
期刊介绍: Biocybernetics and Biomedical Engineering is a quarterly journal, founded in 1981, devoted to publishing the results of original, innovative and creative research investigations in the field of Biocybernetics and biomedical engineering, which bridges mathematical, physical, chemical and engineering methods and technology to analyse physiological processes in living organisms as well as to develop methods, devices and systems used in biology and medicine, mainly in medical diagnosis, monitoring systems and therapy. The Journal''s mission is to advance scientific discovery into new or improved standards of care, and promotion a wide-ranging exchange between science and its application to humans.
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