Influence of source separation and montage on ictal source localization

Influence of source separation and montage on ictal source localization

The aim of this paper is to evaluate the influence of the reference electrode (introduced to form an augmented average montage) and of the artifact elimination by blind source separation on the ictal electrical source imaging. We present here a preliminary study on one patient only. The results seem...

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Veröffentlicht in:2010 Annual International Conference of the IEEE Engineering in Medicine and Biology 2010-01, Vol.2010, p.2898-2901
Hauptverfasser: Koessler, L, Salido-Ruiz, R, Ranta, R, Louis-Dorr, V, Gavaret, M, Maillard, L
Format: Artikel
Sprache:eng
Schlagworte:
Adult
Algorithms
Brain - pathology
Brain models
Electric potential
Electrodes
Electroencephalography
Electroencephalography - methods
Epilepsy, Temporal Lobe - physiopathology
Female
Humans
Image Processing, Computer-Assisted - methods
Magnetic Resonance Imaging - methods
Models, Statistical
Phantoms, Imaging
Physics - methods
Reproducibility of Results
Scalp
Seizures - physiopathology
Source separation
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Beschreibung
Zusammenfassung:The aim of this paper is to evaluate the influence of the reference electrode (introduced to form an augmented average montage) and of the artifact elimination by blind source separation on the ictal electrical source imaging. We present here a preliminary study on one patient only. The results seem to indicate that the montage (and thus the reference handling method) has a limited but existent influence on the quality of the source localization. Artifact elimination highly improves this quality as well.
ISSN:1094-687X
1557-170X
1558-4615
DOI:10.1109/IEMBS.2010.5626321