Magnetoencephalogram

Did you know that Minnesota Epilepsy Group has the only clinical MEG machine (Magnetoencephalogram) in the state of Minnesota?  As a level 4 epilepsy center we offer a comprehensive package of diagnostic services and expertise no other center can provide.

MEG seizure focus on MRI

Magnetoencephalography uses superconductive sensors to map the magnetic fields created by the brain’s electrical activity.  For people with seizures it can pinpoint where the seizures are coming from.  Those seizure areas can be plotted onto a picture of your brain from an MRI.

MEG can also map the location of brain functions including motor, sensory and primary language areas.  This kind of mapping is especially important when removing brain tumors and can provide your neurosurgeon vital information on locations of vital function.

Visit our MEG/MSI (Magnetic Source Imaging) lab online at www.magneticsourceimaging.net for more information on MEG.

Magnetic Source Imaging

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Dr. Mary Dunn, our consulting neurosurgeon here at Minnesota Epilepsy Group talks about brain surgery and the use of Magnetic Source Imaging (MSI)/BrainLAB stereo-tactic navigation.

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Magnetoencephalography recording device

Minnesota Epilepsy Group is one of only a few epilepsy programs nationally to use the Magnetoencephalography (MEG) technology for functional and seizure focus brain mapping.

MSI showing a seizure cluster

This state-of-art technology aids in the pre-surgical evaluation for epilepsy and brain tumor patients.  MEG is used to identify the area of seizure onset and to map the location of brain functions.  The data from the MEG and the data from a high resolution MRI are used together to accurately locate the seizure and functional areas, this combined technology is called Magnetic Source Imaging (MSI).

The integration of this innovative technology with other diagnostic procedures by our team of skilled clinicians is another reason Minnesota Epilepsy Group is considered one of the top epilepsy programs in the nation.

Learn more about our services and specialties or visit our MSI lab website here.

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