Multielectrode electroencephalogram power spectra: Theory and application to approximate correction of volume conduction effects

Henderson, J. A., Phillips, A. J. K. and Robinson, P. A. (2006) Multielectrode electroencephalogram power spectra: Theory and application to approximate correction of volume conduction effects. Physical Review E, 73 5: . doi:10.1103/PhysRevE.73.051918

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Author Henderson, J. A.
Phillips, A. J. K.
Robinson, P. A.
Title Multielectrode electroencephalogram power spectra: Theory and application to approximate correction of volume conduction effects
Journal name Physical Review E   Check publisher's open access policy
ISSN 1539-3755
1550-2376
Publication date 2006-05-01
Year available 2006
Sub-type Article (original research)
DOI 10.1103/PhysRevE.73.051918
Open Access Status File (Publisher version)
Volume 73
Issue 5
Total pages 8
Place of publication College Park, MD United States
Publisher American Physical Society
Collection year 2007
Language eng
Formatted abstract
Using a physiologically based model of brain activity, electroencephalogram (EEG) power spectra are calculated for signals derived from general linear combinations of voltages from multiple electrodes, with and without filtering by volume conduction. Two simple methods of combining scalp measurements to estimate unfiltered EEG power spectra are then proposed and their accuracy and robustness are explored, using the model predictions as an illustration. It is found that these methods, including a case that uses just three electrodes, enable improved estimation of the underlying spectrum relative to each of several widely used combinations alone
Keyword Coherency
Brain
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Information Technology and Electrical Engineering Publications
 
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Created: Wed, 18 Sep 2013, 02:56:01 EST by James Henderson on behalf of School of Information Technol and Elec Engineering