ヒトの心拍変動に見られる相転移現象(最近の研究から)
2006 年 61 巻 4 号 p. 268-272
詳細
2006 年 61 巻 4 号 p. 268-272
Healthy human heart rate variability shares some characteristics of critical phenomena, such as 1/f fluctuation and a scale-invariant property of non-Gaussian probability density function. These features are commonly observed in healthy humans during daily life, but disappear in prolonged, strenuous exercise and sleep, which is reminiscent of continuous phase transitions.
