How can intracranial recordings assist MEG source localization?

  title={How can intracranial recordings assist MEG source localization?},
  author={Eric Halgren},
  journal={Neurology & clinical neurophysiology : NCN},
  • Eric Halgren
  • Published 2004 in Neurology & clinical neurophysiology : NCN
MEG/EEG are the only non-invasive methods to instantaneously and directly measure the currents underlying cerebral information processing, but their ability to localize those currents is limited. Source localization from MEG is always uncertain, unless the signal is already known to be coming exclusively from a single focal source, or a few highly separated focal sources. Furthermore, since many cerebral currents produce little or no MEG signal, even accurate localization of the MEG sources may… CONTINUE READING


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