Instrument

• Basic technology developed in the 1980’s at the Low Temperature Laboratory of the Helsinki University of Technology (at present, Aalto University ).
• SQUIDS developed and manufactured by the VTT Technical Research Centre of Finland Ltd.
• Developed and built by MEGIN Oy
• 102 three-channel units (1 magnetometer and 2 gradiometers in each)
• 16.5-mm baselength (gradiometers)
• Narrow sensitivity pattern
• Excellent balance and calibration
• Signal maximum right above a source (gradiometers)
• High signal-to-noise ratio

Fields of MEG research at BioMag

• Auditory, somatosensory and visual evoked fields
• Spontaneous activity (coherence, desynchronization)
• Auditory sensory memory
• Language studies
• Presurgical localization of eloquent cortex and epileptic foci
• Psychiatric disorders
• Recovery from stroke
• Combination of MEG and fMRI
• Study of the effect of anisotropy on MEG & EEG inverse problem and on TMS
• Developmental studies