急性缺氧下听觉运动反应的研究

受试者为9名男性青年。在低压舱模拟海拔3000、4000、5000和6000m,分别进行1h实验,共36人次。各高度上停留时作听觉检测,并记录了脑电和主诉。结果表明,在3000m,人的听觉运动反应基本正常;而在5000m、6000m,听觉运动反应的正确率、延时率、遗漏率和反应时等多项指标发生显著变化,工效降低。本研究为急性缺氧防护生理标准和缺氧耐力提供了工效的依据。

STUDY ON AUDIO-MOTOR REACTION UNDER ACUTE HYPOXIA

9 male subjects were tested in a hypobaric chamber simulating 3 000, 4 000, 5 000 and 6 000m altitudes. All subjects stayed at each altitude for 1 hour and were tested during staying. The test items included auditory examinations as well as EEG and chief complaint. The information obtained from auditory examination was processed by computer. The results indicated that the audio-motor reaction of the subjects was basically normal at 3 000m, while the correct rate, missing rate, delayed reaction rate and reaction time of audio-motor reaction changed distinctly at 5 000m and 6 000m. These results may provide an ergonomic reference for establishing physiological standard in protection against acute hypoxia.