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Diagnostics 2018, 8(4), 73; https://doi.org/10.3390/diagnostics8040073

Challenges and Potential Solutions of Psychophysiological State Monitoring with Bioradar Technology

Remote Sensing Laboratory, Bauman Moscow State Technical University, Moscow 105005, Russia
Received: 18 September 2018 / Revised: 3 October 2018 / Accepted: 15 October 2018 / Published: 17 October 2018
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Abstract

Psychophysiological state monitoring provides a promising way to detect stress and accurately assess wellbeing. The purpose of the present work was to investigate the advantages of utilizing a new unobtrusive multi-transceiver system on the accuracy of remote psychophysiological state monitoring by means of a bioradar technique. The technique was tested in laboratory conditions with the participation of 35 practically healthy volunteers, who were asked to perform arithmetic and physical workload tests imitating different types of stressors. Information about any variation in vital signs, registered by a bioradar with two transceivers, was used to detect mental or physical stress. Processing of the experimental results showed that the designed two-channel bioradar can be used as a simple and relatively easy approach to implement a non-contact method for stress monitoring. However, individual specificity of physiological responses to mental and physical workloads makes the creation of a universal stress-detector classifier that is suitable for people with different levels of stress tolerance a challenging task. For non-athletes, the proposed method allows classification of calm state/mental workload and calm state/physical workload with an accuracy of 89% and 83% , respectively, without the usage of any additional a priori information on the subject. View Full-Text
Keywords: stress detection; bioradar; psychophysiological state monitoring; unobtrusive monitoring stress detection; bioradar; psychophysiological state monitoring; unobtrusive monitoring
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Anishchenko, L. Challenges and Potential Solutions of Psychophysiological State Monitoring with Bioradar Technology. Diagnostics 2018, 8, 73.

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