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Emotional excess by multimodal Gaidai prognostics methodology, accounting for memory effects
Oleg Gaidai1, Shicheng He1, Jinlu Sheng2
1Shanghai Ocean University, Shanghai, China.
Computers in Biology and Medicine
|May 17, 2025
Summary
This study models human emotions as a dynamic system, using physiological data from actors. Piezoelectric respiration (PZT) sensors effectively distinguished between emotional states, aiding in bio-reliability assessments.
Area of Science:
- Psychology
- Biomedical Engineering
- Systems Dynamics
Background:
- Human emotions are complex, involving perceptual, physiological, and behavioral responses.
- Modeling emotional dynamics requires integrating multimodal data, including bio-signals and expressions.
- Existing methods for assessing emotional states and their impact on reliability have limitations.
Purpose of the Study:
- To develop and benchmark a novel multimodal bio-reliability and risk/hazard assessment methodology using sensor-recorded emotional data.
- To model the dynamic system of human emotional reactions.
- To investigate the effectiveness of physiological signals in capturing emotional states.
Main Methods:
- Utilized professional actors to record multimodal physiological patterns during various emotion-evoking stimuli.
- Employed a novel nonparametric deconvolution scheme for extrapolating emotional levels.
- Applied a multivariate Gaidai reliability approach for prognostics of human errors and Health, Safety, and Environment (HSE) concerns.
Main Results:
- Piezoelectric respiration (PZT) readings demonstrated the best differentiation across five studied emotional states.
- PZT sensor data showed superior performance in capturing differences in both emotional valence and arousal.
- The novel methodology proved effective in assessing bio-reliability based on emotional data.
Conclusions:
- The developed multimodal bio-reliability methodology, based on sensor-recorded emotional data, is a robust tool for risk/hazard assessment.
- PZT sensors are highly effective for distinguishing emotional states, contributing to improved human error and HSE assessments.
- The generic nature of the methodology allows for broad applicability across various sectors beyond the case study.

