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Synthetic-aperture magnetometry (SAM) is a method for analysis of data obtained from magnetoencephalography (MEG) and
electroencephalography Electroencephalography (EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex ...
(EEG). SAM is a nonlinear beamforming approach which can be thought of as a spatial filter. Robinson S.E., Vrba, J. Functional neuroimaging by synthetic aperture magnetometry (SAM). In: Yoshimoto T, Kotani M, Kuriki S, Karibe H,Nakasato N, editors. Recent Advances in Biomagnetism. Sendai: Tohoku University Press; 1998. p. 302–305


See also

* Aperture synthesis


References

Magnetoencephalography {{technology-stub