Document Detail


Electrode position scaling in realistic laplacian computation.
MedLine Citation:
PMID:  18713701     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This note discusses the effects of the electrode position scaling on the realistic Laplacian (RL) computation. It is shown that when the RL is estimated with the help of Tikhonov regularization and the generalized cross-validation (GCV) criterion, improper electrode position scaling may influence the GCV criterion, which results in the decrease of RL precision. We identify what the proper scaling should be, and we provide a closer examination of how the GCV criterion is affected by the electrode position scaling.
Authors:
Radoslav Bortel; Pavel Sovka
Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  IEEE transactions on bio-medical engineering     Volume:  55     ISSN:  1558-2531     ISO Abbreviation:  IEEE Trans Biomed Eng     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-08-20     Completed Date:  2008-10-17     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0012737     Medline TA:  IEEE Trans Biomed Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2314-6     Citation Subset:  IM    
Affiliation:
Faculty of Electrical Engineering, Czech Technical University, Prague 166 27, Czech Republic. bortelr@feld.cvut.cz
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MeSH Terms
Descriptor/Qualifier:
Algorithms*
Brain Mapping / instrumentation*,  methods*
Computer Simulation
Diagnosis, Computer-Assisted / methods
Electrodes*
Electroencephalography / instrumentation*,  methods*
Humans
Models, Neurological*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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