Detail publikačního výsledku

Electrical Source Imaging in Rats: Cortical EEG Performance and Limitations

KOUDELKA, V.; JIŘÍČEK, S.; PIORECKÁ, V.; VEJMOLA, Č.; PÁLENÍČEK, T.; RAIDA, Z.; LAČÍK, J.; KUŘÁTKO, D.; WOJCIK, D.

Originální název

Electrical Source Imaging in Rats: Cortical EEG Performance and Limitations

Anglický název

Electrical Source Imaging in Rats: Cortical EEG Performance and Limitations

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

The goal of the present work is to estimate electric activity within the brain volume based on measured potentials on the rats brain surface. At first, we calculated and analyzed sensitivity volume profile of cortical electrode pairs to address the cortical electrode positioning. Sensitivity volume profiles change rapidly with decreasing of expected minimal depth of the sources. Moreover, the profiles become unreliable in case of very small expected minimal depths, which is, unfortunately, the case of cortical electroencephalogram (EEG). This result was obtained in both analytical and numerical models. Second, appropriate regularization and normalization routines were implemented for minimum norm estimate and beam-forming methods. Third, the inverse methods were applied to localize simulated brain deep sources based on the twelve electrode cortical EEG system.

Anglický abstrakt

The goal of the present work is to estimate electric activity within the brain volume based on measured potentials on the rats brain surface. At first, we calculated and analyzed sensitivity volume profile of cortical electrode pairs to address the cortical electrode positioning. Sensitivity volume profiles change rapidly with decreasing of expected minimal depth of the sources. Moreover, the profiles become unreliable in case of very small expected minimal depths, which is, unfortunately, the case of cortical electroencephalogram (EEG). This result was obtained in both analytical and numerical models. Second, appropriate regularization and normalization routines were implemented for minimum norm estimate and beam-forming methods. Third, the inverse methods were applied to localize simulated brain deep sources based on the twelve electrode cortical EEG system.

Klíčová slova

Rat brain, potentials, cortical electrode positioning, senitivity volume profile, regularization, normalization, inverse imaging.

Klíčová slova v angličtině

Rat brain, potentials, cortical electrode positioning, senitivity volume profile, regularization, normalization, inverse imaging.

Autoři

KOUDELKA, V.; JIŘÍČEK, S.; PIORECKÁ, V.; VEJMOLA, Č.; PÁLENÍČEK, T.; RAIDA, Z.; LAČÍK, J.; KUŘÁTKO, D.; WOJCIK, D.

Rok RIV

2020

Vydáno

21.11.2018

Nakladatel

IEEE

Místo

NEW YORK

ISBN

978-1-5386-7845-9

Kniha

2018 INTERNATIONAL WORKSHOP ON COMPUTING, ELECTROMAGNETICS, AND MACHINE INTELLIGENCE (CEMI)

Strany od

45

Strany do

46

Strany počet

2

BibTex

@inproceedings{BUT163516,
  author="Vlastimil {Koudelka} and Stanislav {Jiříček} and Václava {Piorecká} and Čestmír {Vejmola} and Tomáš {Páleníček} and Zbyněk {Raida} and Jaroslav {Lačík} and David {Kuřátko} and Daniel {Wojcik}",
  title="Electrical Source Imaging in Rats: Cortical EEG Performance and Limitations",
  booktitle="2018 INTERNATIONAL WORKSHOP ON COMPUTING, ELECTROMAGNETICS, AND MACHINE INTELLIGENCE (CEMI)",
  year="2018",
  pages="45--46",
  publisher="IEEE",
  address="NEW YORK",
  doi="10.1109/CEMI.2018.8610587",
  isbn="978-1-5386-7845-9"
}