Using permutation entropy to measure the changes in EEG signals during absence seizures

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Abstract

In this paper, we propose to use permutation entropy to explore whether the changes in electroencephalogram (EEG) data can effectively distinguish different phases in human absence epilepsy, i.e., the seizure-free, the pre-seizure and seizure phases. Permutation entropy is applied to analyze the EEG data from these three phases, each containing 100 19-channel EEG epochs of 2 s duration. The experimental results show the mean value of PE gradually decreases from the seizure-free to the seizure phase and provides evidence that these three different seizure phases in absence epilepsy can be effectively distinguished. Furthermore, our results strengthen the view that most frontal electrodes carry useful information and patterns that can help discriminate among different absence seizure phases.

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Li, J., Yan, J., Liu, X., & Ouyang, G. (2014). Using permutation entropy to measure the changes in EEG signals during absence seizures. Entropy, 16(6), 3049–3061. https://doi.org/10.3390/e16063049

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