Abstract
Objective: The main goal of this study is to clarify the electroencephalogram (EEG) characteristics of the stress response caused by vestibular endurance training under real conditions.Methods: Ten pilot trainees received a series of acute anti-vertigo training stimulations on the rotary ladder while recording electroencephalographic data (64 electrodes). Afterward, the anti-vertigo ability of the subject was tested for the best performance after 1 month of training and verified whether it is related to the EEG signals we collected before.Results: (1) The absolute power of α waves in the C3 and C4 regions is the same as the difference between 1 min before and 2 min after stimulation, and their activity is enhanced by stimulation. Otherwise, the activation of the C3 region after 5 min of stimulation is still significantly changed. (2) Through Spearman's correlation analysis, we found that the α waves in the C3 and C4 the greater the power change, the better the performance of the subject in the proficient stage.Conclusion: C3 and C4 areas are specific brain regions of the stress response of anti-vertigo endurance training, and the absolute power of the α wave can be used as a parameter for identifying the degree of motion sickness (MS). The absolute power changes of α waves in the C3 and C4 areas are positively correlated with their anti-vertigo potential.Significance: Increasing the absolute power of α wave in the C3 and C4 is a manifestation of MS stress adaptability.
Highlights
Driving an aircraft requires substantial cognitive effort and attention from the brain of the operator
The results show that the absolute power change in the α waves in the C3 and C4 before and after the stimulation in the novice stage is proportional to the performance score of the proficient stage, i.e., the α waves in the C3 and C4, the greater the power change, the better the performance of the subject in the proficient stage, ρX1 = − 0.81, p = 0.027; ρX2 = − 0.81, p = 0.027
This study represents the first step toward the collection of real-time online EEG signals from the flight trainees during acute regular vestibular endurance training; in addition, it can be combined with the association of vestibular endurance performance after training to verify the sensitivity of EEG assessment
Summary
Driving an aircraft requires substantial cognitive effort and attention from the brain of the operator. According to the statistics of the International Air Transport Association (IATA), more than 80% of air crashes are caused by human errors (Tietje and Brouder, 2009). Modern aircraft tend to be automated, mental performance of the pilot is still the most common contributing factor in fatal accidents worldwide. Some stimuli in real flight may lead to some psychological damage to pilots. Motion sickness (MS) is one of the main stressors for pilots to be expelled. A large number of flight accidents are caused by MS. The survey showed that the air sickness response rate is Assessment of Vestibular on EEG
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