Effects of Acute Hypoxic Exposure on Human Physiological Response and Cognitive Ability
An acute hypoxia exposure experiment was conducted in a low-pressure environment chamber to study the effects of atmospheric pressure and ambient temperature on human physiological parameters and cognitive ability.The experimental results showed that as atmospheric pressure decreased,the average human skin temperature,oral temperature,diastolic blood pressure,heart rate,and heart rate variability increased,while oxygen saturation and systolic blood pressure showed a decreasing trend.Among them,the mean skin temperature,heart rate,and oxygen saturation were significantly different(p<0.05).With the increase in temperature,only oxygen saturation decreased,while all other physiological parameters increased.Among them,the mean skin temperature and heart rate were significantly different(p<0.05).Perception,memory,and reaction abilities decrease with a reduction in atmospheric pressure,while discernment ability increases instead.Among them,memory ability was significantly affected by pressure(p<0.05).Perceptual ability and memory improved as the temperature increased.The discernment ability displayed different patterns of change with temperature under various pressures,whereas the reaction ability increased as the temperature decreased.Among them,reaction ability was significantly affected by temperature(p<0.05).This study provides strong support for safeguarding the life and health safety of personnel in plain areas who ascend to high altitudes.
万方数据
维普
