Experimental analysis of distortion of magnetoencephalography signals by the skull

@article{Okada1999ExperimentalAO,
  title={Experimental analysis of distortion of magnetoencephalography signals by the skull},
  author={Yoshio C. Okada and Airi Lahteenm{\"a}ki and C J Xu},
  journal={Clinical Neurophysiology},
  year={1999},
  volume={110},
  pages={230-238}
}
OBJECTIVES Magnetoencephalography (MEG) signals are, on theoretical grounds, thought to be relatively undistorted by the skull in contrast to electroencephalographic (EEG) signals. This assumption was experimentally tested in an animal preparation with a brain similar to the human brain in many respects. METHODS Possible skull effects on MEG were evaluated directly using an in vivo porcine preparation, by measuring the somatic evoked magnetic field (SEF) above the skull with and without the… CONTINUE READING

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