<unk>  <unk>  is an imaging technique used to measure the magnetic fields produced by electrical activity in the brain via extremely sensitive devices such as superconducting quantum interference devices (SQUIDs).  These measurements are commonly used in both research and clinical settings. There are many uses for the<unk> , including assisting surgeons in localizing a pathology, assisting researchers in determining the function of various parts of the brain, neurofeedback, and others.
Magnetoencephalography
Electroencephalography
Seizure electroencephalogram
Brain mapping
Transcranial magnetic stimulation
Cognitive neuropsychology
Event-related functional magnetic resonance imaging
Seizure electrocardiogram