Key result
Mental fatigue in military operations reduces performance, and advancing monitoring technologies and countermeasures requires more precise definitions and integrated physiological analyses.
Why the study?
Mental fatigue impairs performance in military operations, but multimodal monitoring technologies cannot yet duplicate human detection, and effective countermeasures require more precise definitions and targeted physiological metrics.
Advancing multimodal monitoring and AI modeling is needed to better detect and manage mental fatigue in military personnel.
Mental fatigue countermeasures may support military operations; leaves open multimodal monitoring and AI modeling for validation and advances.
Mental fatigue (MF) is a psychobiological state induced by prolonged exertion that has the potential to reduce performance. In military operations, MF coincides with inadequate sleep, circadian disruption and other stressors, further increasing the risk of fatigue-related errors of judgement and reduction in physical and psychological performance. Experienced leaders can detect MF, but multimodal monitoring and assessment technologies still cannot duplicate this capability. Experiments to define signals that cue this human percept could inform future technologies. Countermeasures include engagement strategies, brain endurance training to extend physical endurance, and caffeine and modafinil to temporarily sustain performance. An infrastructure for physiological monitoring and integrated analyses will advance team performance enhancement, along with the use of explainable and interpretable artificial intelligence modelling, refined through iterative experimentation. More precise definitions that distinguish MF from other types of fatigue will help advance the development of monitoring technologies and countermeasures by targeting the right physiological and behavioural metrics.
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Rabat et al. (2025) conducted a review in Mental fatigue. Countermeasures for mental fatigue was evaluated. Mental fatigue in military operations reduces performance, and advancing monitoring technologies and countermeasures requires more precise definitions and integrated physiological analyses.
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