title: Functional localization based on measurements with a whole-head magnetometer system.
abstract: Whole-cortex magnetometers represent a significant methodological breakthrough in noninvasive studies of the brain's electrical activity. This paper describes our 122-channel instrument with planar gradiometers, methods to interpret its data, and gives a few examples of neuromagnetic studies.
authors.affiliation: Low Temperature Laboratory, Helsinki University of Technology, Finland.
authors.forename: M S
authors.initials: MS
authors.lastname: Hämäläinen
mesh_terms: D001931:Brain Mapping / Q000379:methods*; D002540:Cerebral Cortex / Q000502:physiology*; D005071:Evoked Potentials; D006257:Head; D006801:Humans; D015225:Magnetoencephalography / Q000379:methods; D013003:Somatosensory Cortex / Q000502:physiology*