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Helsinki University Hospital
University of Helsinki
Aalto University School of Science

BioMag Laboratory

The BioMag Laboratory at Helsinki University Hospital is a center for magnetocardiography (MCG), magnetoencephalography (MEG), and transcranial magnetic stimulation (TMS).

In MEG and MCG, the feeble magnetic fields produced by the brain or the heart are measured with sophisticated SQUID magnetometers inside a magnetically shielded room. TMS is the converse of MEG: The brain is stimulated through the skull with magnetic fields. Near Infrared Optical Spectroscopy (NIRS) is an emerging non-invasive imaging modality.

MEG at BioMag
TMS at BioMag
MCG at BioMag
NIRS at BioMag

Send comments to
Hanna Renvall (
BioMag Laboratory, HUS Medical Imaging Center, Helsinki University Hospital
P.O. Box 340, FI-00029 HUS, FINLAND
(Visiting address: Haartmaninkatu 4, P-floor, 00290 HELSINKI)
Fax +358-9-47175781