Effect of Ground-based Simulation with Inhaling Different Concentration Oxygen Mixed Gas on the Mental Rotation Ability
XIA Ling
CHEN Xiao-jian
HU Lin-feng
LI Jiao-jie
Abstract：Objective To observe mental rotation ability of ground-based simulation in different low-oxygen environments and explore new hypoxia training pattern.Methods Sixty healthy males were successively performed with mental rotation tests (rotated erect and mirror image of letter F, G, L, P, Q and R by 0°, 60°, 120°, 180°, respectively, clockwise and anticlockwise) in ground-based simulation, simulating under high-altitude hypoxic environment about 5000 and 7500 m.The measurements including error rate and reaction time were recorded.Results ①Error rate: error rate of 7500 metres was highest, and error rate of 5000 metres was lowest(0.073±0.014, 0.052±0.008, P<0.05).With the increase of rotation angles (0°, 60°, 120°, 180°), the error rates were significantly increased in turn, except 0° and 60°(0.020±0.004, 0.031±0.008, 0.062±0.013, 0.133±0.020, P<0.01).②Reaction time: with the increase of altitude (ground, 5000 m, 7500 m), the reaction time decreased in turn.There was significantly difference between ground and 7500 m [(798.585±34.583), (744.845±37.231) ms, P<0.05].Compared with the reaction time of normal group ,that of mirror group was significantly longer [(706.870±28.218), (833.137±43.028) ms, P<0.01].With the increase of rotation angles(0°, 60°, 120°, 180°), the reaction time were significantly increased in turn [(692.309±32.886), (710.697±32.648), (782.300±35.384),(894.708±42.794)ms, P<0.01 or P<0.05].Conclusion Hypoxia exposure has a strong influence on the mental rotation ability, and aviation physiology training can carry on new pattern about hypoxia experience combining with mental rotation tests.
Keywords：Mental rotationHypoxiaSpatical cognitionPilots
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 253-256 )