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Mapping EEG-Potentials on the Surface of the Brain : a Strategy for Uncovering Cortical Sources

Mapping EEG-Potentials on the Surface of the Brain : a Strategy for Uncovering Cortical Sources

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JUNGHÖFER, Markus, Thomas ELBERT, Paul LEIDERER, Patrick BERG, Brigitte ROCKSTROH, 1997. Mapping EEG-Potentials on the Surface of the Brain : a Strategy for Uncovering Cortical Sources. In: Brain Topography. 9, pp. 203-217

@article{Junghofer1997Mappi-5219, title={Mapping EEG-Potentials on the Surface of the Brain : a Strategy for Uncovering Cortical Sources}, year={1997}, doi={10.1007/BF01190389}, volume={9}, journal={Brain Topography}, pages={203--217}, author={Junghöfer, Markus and Elbert, Thomas and Leiderer, Paul and Berg, Patrick and Rockstroh, Brigitte} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/5219"> <dc:creator>Elbert, Thomas</dc:creator> <dc:contributor>Rockstroh, Brigitte</dc:contributor> <dcterms:issued>1997</dcterms:issued> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:creator>Berg, Patrick</dc:creator> <dc:creator>Rockstroh, Brigitte</dc:creator> <dc:format>application/pdf</dc:format> <dcterms:bibliographicCitation>First publ. in: Brain Topography 9 (1997), pp. 203-217</dcterms:bibliographicCitation> <dc:language>eng</dc:language> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/5219"/> <dc:contributor>Leiderer, Paul</dc:contributor> <dc:contributor>Berg, Patrick</dc:contributor> <dc:creator>Junghöfer, Markus</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:54:08Z</dcterms:available> <dc:creator>Leiderer, Paul</dc:creator> <dc:contributor>Junghöfer, Markus</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:54:08Z</dc:date> <dcterms:abstract xml:lang="eng">This paper describes a uniform method for calculating the interpolation of scalp EEG potential distibution, the current source density (CSD), the cortical potential distribution (cortical mapping) and the CSD ot the cortical potential distribution. It will be shown that interpolation and deblurring methods such as CSD or cortical mapping are not independent of the inverse problem in potential theory. Not only the resolution but also the accuracy of these techniques, especially those of deblurring, depend greatly on the spatial sampling rate (i.e., the number of elechades). Using examples from simulated and real (64 channels) data it can be shown that the application of more than 100 EEG channels is not only favourable but necessary to guarantee a reasonable accuracy in the calculations of CSD or cortical mapping. Likewise, it can be shown that using more than 250 electrodes does not improve the resolution.</dcterms:abstract> <dcterms:title>Mapping EEG-Potentials on the Surface of the Brain : a Strategy for Uncovering Cortical Sources</dcterms:title> <dc:contributor>Elbert, Thomas</dc:contributor> <dc:rights>deposit-license</dc:rights> </rdf:Description> </rdf:RDF>

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