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Changes of EEG power and sleeping rithym during H2-O2 hyperbaric exposure
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF NAUTICAL MEDICINE AND HYPERBARIC MEDICINE
- Issue:
- 3
- DOI:
- 10.3760/cma.j.issn.1009-6906.2006.03.010
- Key Word:
- 氢气;潜水;脑电图;小鼠;睡眠;生物节律
Abstract： 目的探讨高压氢氧环境对小鼠睡眠的影响.方法将小鼠暴露于2.1 MPa.氢氧环境中10 h,连续记录小鼠脑电图(EEG),进行EEG密度功率谱分析.结果在氢氧环境下,除了个别动物出现可逆的δ段活动受抑制外,多数动物EEG密度谱中表示动物清醒和睡眠状态的密度疏密交替的特征始终存在.结论在2.1 MPa氢氧环境下个别小鼠觉醒度提高,但总体上睡眠节律保持完好.同时,由于密度谱可以动态反映高压下动物EEG变化趋势和个体差异,提示用这一分析方法进行压力负荷监护的可能性.
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