Seki K, Hugon M
Undersea Biomed Res. 1976 Sep;3(3):235-47.
Two divers spent over 50 hours at 610 msw in a helium-oxygen mixture (PO2:0.38-0.52 ATA). The dive duration was 27 days, including predive stages of confinement, compression, time at maximum pressure, and decompression. The divers were asked to answer 30 questions on their feelings of mental and physical fatigue and to indicate on a nine-point scale their estimation of a general feeling of fatigue. Subjective feelings of fatigue reported in this dive suggested that the divers were in good condition. Hyperbaric arthralgia and physical complaints were reported, especially during decompression, with some postdive persistence, but they should be considered as distinct signs of feelings of fatigue. The critical flicker frequency (CFF), measured throughout the dive for the two divers, showed systematic variations and a relationship between compression and pressure. These variations were grossly parallel to EEG modifications reported in other studies and probably reveal neurophysiological troubles that were not apparent from subjective reports.
两名潜水员在610米海水深度下使用氦氧混合气（氧分压：0.38 - 0.52绝对大气压）潜水超过50小时。潜水持续时间为27天，包括潜水前的封闭、加压、在最大压力下停留以及减压阶段。要求潜水员回答30个关于其精神和身体疲劳感受的问题，并在九点量表上表明他们对总体疲劳感的估计。此次潜水中报告的主观疲劳感受表明潜水员状态良好。报告了高压性关节痛和身体不适，尤其是在减压期间，潜水后仍有一些持续症状，但应将它们视为疲劳感受的不同表现。在整个潜水过程中对两名潜水员测量的临界闪烁频率（CFF）显示出系统性变化以及加压与压力之间的关系。这些变化与其他研究中报告的脑电图改变大致平行，可能揭示了主观报告中未明显体现的神经生理问题。
