Abstract:
AIM To observe the changes of BP, HR, HRV and cognitive ability of the subjects after vestibular stimulation, so as to provide experimental basis for establishing the training program of pilots’ vestibular illusion simulation experience.
METHODS Twenty healthy young male subjects were trained by vestibular illusion simulation training system for 3 minutes, in which the acceleration phase lasted for 50 seconds, the uniform rotation compound turning phase lasted for 2 minutes, and the deceleration phase lasted for 10 seconds. HR, BP, HRV, cognitive function score, SO2, vestibular symptoms and illusion were recorded after training.
RESULTS Compared with those before the experiment, DBP, HR and R of the subjects during vestibular stimulation were significantly increased (P<0.05). After vestibular stimulation, NAI in the task of attention allocation of subjects decreased significantly (P<0.05), and the vestibular symptom score increased significantly (P<0.05). The vestibular function stability was rated from 0 degree to degree III, and the 20 subjects fell into 4 (0 degree), 16 (I degree), 0 (II degree) and 0 (III degree), and the vestibular illusion induced rate was 100%.
CONCLUSION Using vestibular illusion simulation training system to stimulate subjects’ vestibule can cause moderate vestibular response, induce vestibular illusion and have certain influence on cardiovascular function and distributed attention. This study provides reference for the formulation of training program of pilots’ vestibular illusion simulation experience.
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