What you need to know to become a MEG technologist.

Magnetoencephalography (MEG) is a way to noninvasively localize sources of electrical activity within the human brain, by measuring the very weak magnetic fields just outside of the head. This paper is an introduction to MEG for technologists who are interested in performing MEG studies. We have organized the paper into a brief overview of what MEG measures and how it does it, as well as a short history of the MEG manufacturers.

Combining MEG and EEG source modeling in epilepsy evaluations.

This article reviews the relative strengths and weaknesses of MEG and EEG source modeling for localization of epileptogenic foci. Proper interpretation of these dipole models requires an appreciation for the limitations of each technique and an understanding of the character of the cortical sources that can generate epileptiform transients identifiable in recordings of spontaneous cerebral activity. MEG is sensitive to smaller sources, is not altered by the skull and scalp, requires a simpler head model, and provides more accurate localization, but it is insensitive to radial sources.