Dynamical MEG source modeling with multi-target Bayesian filtering (Articolo in rivista)

Type
Label
  • Dynamical MEG source modeling with multi-target Bayesian filtering (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Alberto Sorrentino; Lauri Parkkonen; Annalisa Pascarella; Cristina Campi; Michele Piana (2009)
    Dynamical MEG source modeling with multi-target Bayesian filtering
    in Human brain mapping (Online); John Wiley & Sons, Ltd., New York (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alberto Sorrentino; Lauri Parkkonen; Annalisa Pascarella; Cristina Campi; Michele Piana (literal)
Pagina inizio
  • 1911 (literal)
Pagina fine
  • 1921 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 30 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - INFM, LAMIA, Genova Helsinki University of Technology, Brain Research Unit, Low Temperature Laboratory Universita? di Verona, Dipartimento di Informatica and CNR-INFM LAMIA, Genova Universita? di Genova, Dipartimento di Matematica and CNR-INFM LAMIA, Genova Universita? di Verona, Dipartimento di Informatica and CNR-INFM LAMIA, Genova (literal)
Titolo
  • Dynamical MEG source modeling with multi-target Bayesian filtering (literal)
Abstract
  • We present a Bayesian filtering approach for automatic estimation of dynamical source models from magnetoencephalographic data. We apply multi-target Bayesian filtering and the theory of Random Finite Sets in an algorithm that recovers the life times, locations and strengths of a set of dipolar sources. The reconstructed dipoles are clustered in time and space to associate them with sources. We applied this new method to synthetic data sets and show here that it is able to automatically estimate the source structure in most cases more accurately than either traditional multi-dipole modeling or minimum current estimation performed by uninformed human operators. We also show that from real somatosensory evoked fields the method reconstructs a source constellation comparable to that obtained by multi-dipole modeling. (literal)
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