A comparison of different synchronization measures in electroencephalogram during propofol anesthesia

Journal of Clinical Monitoring and Computing
Zhenhu LiangXiaoli Li

Abstract

Electroencephalogram (EEG) synchronization is becoming an essential tool to describe neurophysiological mechanisms of communication between brain regions under general anesthesia. Different synchronization measures have their own properties to reflect the changes of EEG activities during different anesthetic states. However, the performance characteristics and the relations of different synchronization measures in evaluating synchronization changes during propofol-induced anesthesia are not fully elucidated. Two-channel EEG data from seven volunteers who had undergone a brief standardized propofol anesthesia were then adopted to calculate eight synchronization indexes. We computed the prediction probability (P K ) of synchronization indexes with Bispectral Index (BIS) and propofol effect-site concentration (C eff ) to quantify the ability of the indexes to predict BIS and C eff . Also, box plots and coefficient of variation were used to reflect the different synchronization changes and their robustness to noise in awake, unconscious and recovery states, and the Pearson correlation coefficient (R) was used for assessing the relationship among synchronization measures, BIS and C eff . Permutation cross mutual information (PCMI) a...Continue Reading

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Jul 7, 2014·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Zhenhu LiangXiaoli Li

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Citations

May 31, 2018·Current Opinion in Anaesthesiology·Sarah L Eagleman, David R Drover
Sep 13, 2018·Journal of Neural Engineering·Zhenhu LiangYunjie Tong
Jul 21, 2017·Frontiers in Human Neuroscience·Yvonne HöllerEugen Trinka
Jul 18, 2017·Frontiers in Computational Neuroscience·Minkyung KimUnCheol Lee
Jan 9, 2017·Journal of Clinical Monitoring and Computing·Jan F A Hendrickx, Andre M De Wolf
Mar 12, 2021·Brain : a Journal of Neurology·Joel FrohlichMartin M Monti

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