Sensitivity of MEG and EEG to Source Orientation

@inproceedings{Ahlfors2010SensitivityOM,
  title={Sensitivity of MEG and EEG to Source Orientation},
  author={Seppo P. Ahlfors and Jooman Han and John W. Belliveau and Matti S. H{\"a}m{\"a}l{\"a}inen},
  booktitle={Brain Topography},
  year={2010}
}
An important difference between magnetoencephalography (MEG) and electroencephalography (EEG) is that MEG is insensitive to radially oriented sources. We quantified computationally the dependency of MEG and EEG on the source orientation using a forward model with realistic tissue boundaries. Similar to the simpler case of a spherical head model, in which MEG cannot see radial sources at all, for most cortical locations there was a source orientation to which MEG was insensitive. The median… CONTINUE READING

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