Investigating Power Density and the Degree of Nonlinearity in Intrinsic Components of Anesthesia EEG by the Hilbert-Huang Transform: An Example Using Ketamine and Alfentanil

• Feng-Fang Tsai,

  Affiliations Department of Anesthesiology, National Taiwan University Hospital, Taipei, Taiwan, Department of Anesthesiology, College of Medicine, National Taiwan University, Taipei, Taiwan, Rey Institute for Nonlinear Dynamics in Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States of America

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• Shou-Zen Fan,

  Affiliations Department of Anesthesiology, National Taiwan University Hospital, Taipei, Taiwan, Department of Anesthesiology, College of Medicine, National Taiwan University, Taipei, Taiwan

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• Yi-Shiuan Lin,

  Affiliation Department of Anesthesiology, National Taiwan University Hospital, Taipei, Taiwan

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• Norden E. Huang,

  Affiliations Center for Dynamical Biomarkers and Translational Medicine, National Central University, Taoyuan, Taiwan, Research Center for Adaptive Data Analysis, National Central University, Taoyuan, Taiwan

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• Jia-Rong Yeh

  * E-mail: yehjr65@gmail.com

  Affiliations Center for Dynamical Biomarkers and Translational Medicine, National Central University, Taoyuan, Taiwan, Research Center for Adaptive Data Analysis, National Central University, Taoyuan, Taiwan

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