Impact of volume-conducted potential in interpretation of cortico-cortical evoked potential: detailed analysis of high-resolution electrocorticography using two mathematical approaches

Highlights • Impact of volume-conducted potential on cortico-cortical evoked potentials (CCEP) was evaluated with high-density grid electrodes. • Volume-conducted potential accounted for the majority of the potential around the stimulation site. • This study contributes to delineating the CCEP compo...

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Bibliographic Details
Published in:Clinical neurophysiology 2017-04, Vol.128 (4), p.549-557
Main Authors: Shimada, Seijiro, Kunii, Naoto, Kawai, Kensuke, Matsuo, Takeshi, Ishishita, Yohei, Ibayashi, Kenji, Saito, Nobuhito
Format: Article
Language:English
Subjects:
Adult
Algorithms
Case-Control Studies
Cerebral Cortex - physiopathology
Cortico-cortical evoked potential
Electrocorticography
Electroencephalography - methods
Epilepsy
Epilepsy - physiopathology
Evoked Potentials
Female
Humans
Male
Middle Aged
Neurology
Principal component analysis
Regression analysis
Volume-conducted potential
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Summary:Highlights • Impact of volume-conducted potential on cortico-cortical evoked potentials (CCEP) was evaluated with high-density grid electrodes. • Volume-conducted potential accounted for the majority of the potential around the stimulation site. • This study contributes to delineating the CCEP component which reflects true cortical connectivity.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2017.01.012