Localization of event-related activity by SAM(erf).

@article{Robinson2004LocalizationOE,
  title={Localization of event-related activity by SAM(erf).},
  author={Stephen E. Robinson},
  journal={Neurology & clinical neurophysiology : NCN},
  year={2004},
  volume={2004},
  pages={109}
}
Synthetic aperture magnetometry (SAM) has been used to image source power or source signal-to-noise ratio from MEG. However, the locations of maximal event-related oscillatory activity (or changes from resting state) do not necessarily coincide with those sites that are phase-locked to external events (i.e., localized by dipole fit to the averaged evoked response). Since an estimate of the source time-series may also be obtained by applying the beamformer coefficients to the MEG signal, one can… CONTINUE READING

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