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Alterations of Brain Networks Before and After Surgery in Temporal Lobe Epilepsy Patients with Hippocampal Sclerosis

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Advances in Cognitive Neurodynamics (VII) (ICCN2019 2019)

Part of the book series: Advances in Cognitive Neurodynamics ((ICCN))

Abstract

Patients with temporal lobe epilepsy (TLE) are often potential candidates for surgery. Characterizing brain networks before and after surgery can be beneficial for understanding the mechanism of seizure termination and future treatment. In this paper, electroencephalograph (EEG) recordings in the inter-ictal stage before and after surgery (IIB and IIA, respectively) and ictal stage before surgery (IB) were collected from 15 TLE patients with hippocampal sclerosis. Permutation Disalignment Index (PDI) was used to reveal the alterations of brain networks. The results suggested that the brain network in the IB had higher mean strength or lower entropy than that in the IIB, while the network in the IIA was reversed. Furthermore, the network in the IB was more regular, and the postoperative network was further away from that. This may provide potential application in the prediction of surgical outcomes.

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Acknowledgements

This research was supported by the National Science Foundation of China (Grants 11772019, 81671285), the Capital Health Research and Development of Special (2016-1-8012), Beijing Municipal Science & Technology Commission, China (Z161100000516230, Z161100002616016).

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Authors and Affiliations

  1. Department of Dynamics and Control, Beihang University, Beijing, 100191, China

    Chuanzuo Yang & Qingyun Wang

  2. Beijing Key Laboratory of Epilepsy, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China

    Guoming Luan

Authors
  1. Chuanzuo Yang
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  2. Guoming Luan
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  3. Qingyun Wang
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Corresponding author

Correspondence to Qingyun Wang .

Editor information

Editors and Affiliations

  1. HEC LABEX & ISI Complexity Science Group, University of Lausanne, Lausanne, Vaud, Switzerland

    Alessandra Lintas

  2. Dipartimento di Scienze biomediche, Università degli Studi di Sassari, Sassari, Sassari, Italy

    Paolo Enrico

  3. Institute for Cognitive Neurodynamics, East China University of Science and Technology, Shanghai, Shanghai, China

    Xiaochuan Pan

  4. Institute for Cognitive Neurodynamics, East China University of Science and Technology, Shanghai, Shanghai, China

    Rubin Wang

  5. NeuroHeuristic Research Group, University of Lausanne, Lausanne, Vaud, Switzerland

    Alessandro Villa

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Yang, C., Luan, G., Wang, Q. (2021). Alterations of Brain Networks Before and After Surgery in Temporal Lobe Epilepsy Patients with Hippocampal Sclerosis. In: Lintas, A., Enrico, P., Pan, X., Wang, R., Villa, A. (eds) Advances in Cognitive Neurodynamics (VII). ICCN2019 2019. Advances in Cognitive Neurodynamics. Springer, Singapore. https://doi.org/10.1007/978-981-16-0317-4_22

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