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Influence of Physical Models of Electrodes on Rat’s Head Forward Modelling

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XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 (MEDICON 2019)

Part of the book series: IFMBE Proceedings ((IFMBE,volume 76))

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Abstract

Reliable inverse imaging of source currents in rat’s brain requires accurate models of fields and interfaces. Accuracy of field models can be influenced by a proper representation of electrodes used for sensing potentials. In the paper, we study the effect of realistic modelling of electrodes on the distribution of electric field intensity in the head. Fields are evaluated for three commonly used configurations of electrodes using a three-dimensional finite element model of rat’s head comprising the brain, the cerebrospinal fluid, and the skull. Simulations show a lower amplitude of electric field intensity if realistic models of electrodes are considered. Moreover, electric field intensity near electrode models is shown to be slightly influenced. Therefore, realistic modelling of electrodes can improve the accuracy of an inverse imaging, and consequently make the localization of current sources in rat’s brain more accurate.

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Author information

Authors and Affiliations

  1. Brno University of Technology, Technická 12, 616 00, Brno, Czech Republic

    David Kuratko, Jaroslav Lacik, Zbynek Raida & Daniel K. Wójcik

  2. National Institute of Mental Health, Topolová 748, 250 67, Klecany, Czech Republic

    Vlastimil Koudelka

  3. Nencki Institute of Experimental Biology of Polish Academy of Sciences, Warsaw, Poland

    Daniel K. Wójcik

Authors
  1. David Kuratko
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  2. Jaroslav Lacik
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  3. Zbynek Raida
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  4. Daniel K. Wójcik
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  5. Vlastimil Koudelka
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Corresponding author

Correspondence to David Kuratko .

Editor information

Editors and Affiliations

  1. University of Coimbra, Coimbra, Portugal

    Jorge Henriques

  2. Universidade do Minho, Braga, Portugal

    Nuno Neves

  3. University of Coimbra, Coimbra, Portugal

    Paulo de Carvalho

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Kuratko, D., Lacik, J., Raida, Z., Wójcik, D.K., Koudelka, V. (2020). Influence of Physical Models of Electrodes on Rat’s Head Forward Modelling. In: Henriques, J., Neves, N., de Carvalho, P. (eds) XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019. MEDICON 2019. IFMBE Proceedings, vol 76. Springer, Cham. https://doi.org/10.1007/978-3-030-31635-8_26

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  • DOI: https://doi.org/10.1007/978-3-030-31635-8_26

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-31634-1

  • Online ISBN: 978-3-030-31635-8

  • eBook Packages: EngineeringEngineering (R0)

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