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目的研究急性轻、中度缺氧对人的情绪及焦虑状态的影响.方法利用低压舱模拟300 m(对照)、2800 m、3600 m、4400 m高度缺氧暴露1 h,采用情绪状态问卷(POMS)和状态-焦虑问卷(S-AI),考察了18名健康男性青年受试者的情绪变化.结果随着高度的增加,POMS问卷中紧张-焦虑(T),困惑-迷茫(C)和疲惫-惰性(F)消极情绪状态值及S-AI得分逐渐增加,而其中的积极情绪状态值即有力-好动(V)得分则依此下降(P<0.05或P0.05).2800 m 急性暴露的即刻,紧张-焦虑(T)和S-AI得分显著高于对照水平(P<0.05),而暴露1 h后又下降至地面水平.结论急性轻、中度缺氧暴露1h在2800 m高度水平即对人的情绪及心境产生负面影响,随着高度的增加上述影响进一步加重.“,”Objective To explore the effects of acute mild and moderate hypoxia on human mood state.Method The mood states of 18 healthy male volunteers were evaluated by self-assessment questionnaires,profile of mood state (POMS) and state anxiety inventory (S-AI) after random exposure to simulated altitude of 300 m (control),2800m,3600 m and 4400 m for 1 h in a hypobaric chamber.Result The data at 300 m level were taken as the baseline control.The negative mood state factor points (tension,fatigue etc.) increased gradually as the altitude level increased while V (vigor-activity) points had a tendency to decrease (P<0.05 or P0.05).At the early period of 2800 m exposure the tension points of POMS and S-AI scores were higher than those of control level (P<0.05) then dropped to baseline level when exposure to this altitude for 1 h.Conclusion Exposure to acute mild hypobaric hypoxia at 2800 m for 1 h has adverse effect on mood state of healthy person and the negative effect was further aggravated with the increment of altitude level.