健康新生儿脑电图中交替追踪的二次相位耦合的节律性研究
On the rhythmicity of quadratic phase coupling in the tracé alternant EEG in healthy neonates.
作者信息
Schwab Karin, Putsche Peter, Eiselt Michael, Helbig Marko, Witte Herbert
机构信息
Institut of Medical Statistics, Computer Sciences and Documentation, Medical Faculty of the Friedrich Schiller University Jena, 07740 Jena, Germany.
出版信息
Neurosci Lett. 2004 Oct 21;369(3):179-82. doi: 10.1016/j.neulet.2004.05.053.
The time-variant quadratic phase coupling (QPC) in trace alternant (TA) EEG patterns in healthy full-term neonates (quiet sleep) was investigated by means of time-variant bispectral analysis. The frequency plain 1-1.5 Hz <=> 3.5-4.5 Hz was used as the region-of-interest. QPC rhythms with a frequency of approximately 0.1 Hz were found in all neonates (n = 6). It can be demonstrated that the QPC rhythm of the TA is generated by a pattern-spanning time-variant phase-locking process characterising early functional interactions in the immature brain.
通过时变双谱分析研究了健康足月儿（安静睡眠）的脑电活动中，痕迹交替（TA）脑电图模式的时变二次相位耦合（QPC）。使用1-1.5Hz <=> 3.5-4.5Hz的频率范围作为感兴趣区域。在所有新生儿（n = 6）中均发现了频率约为0.1Hz的QPC节律。可以证明，TA的QPC节律是由一种跨越模式的时变锁相过程产生的，该过程表征了未成熟大脑中的早期功能相互作用。
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