The MEG/EEG facility is equipped with a state-of-the-art 306-channel planar dc-SQUID Neuromag Vectorview MEG system that allows noninvasive spatiotemporal mapping of human brain activity. The Neuromag system, comprising 306 MEG channels (2 planar gradiometers and a magnetometer at each of 102 sites) and 128 EEG channels, is located in an Imedco magnetically shielded room, with a shielding factor of approximately 250,000 at 1Hz.