Imaging the Human Brain with Magnetoencephalography

Imaging the Human Brain with Magnetoencephalography

Dimitrios Pantazis (University of Southern California, USA) and Richard M. Leahy (University of Southern California, USA)
DOI: 10.4018/978-1-59140-982-3.ch038
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Magnetoencephalography is a relatively new medical imaging modality for the monitoring and imaging of human brain function. Extracranial magnetic fields produced by the working human brain are measured by extremely sensitive superconducting sensors, called SQUIDs, enclosed in a liquid helium-filled dewar. Mathematical modeling allows the formation of images or  maps of cortical neuronal currents that reveal neural electrical activity, identify cortical communication networks, and facilitate the treatment of neuronal disorders, such as epilepsy.

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