Author(s): Kotini A, and Anninos P
Magnetoencephalography (MEG) is the detection of magnetic fields produced by the neuronal activity in the cortex . The magnetic field measurable outside the head is produced by intracellular current flow in the active neurons. The main contributors to MEG and electroencephalography (EEG) signals are considered the dendrites of pyramidal neurons aligned in parallel. The EEG is determined by the distribution of extracellular volume currents, generated by the intracellular currents.