Abstract
AbstractConventional functional magnetic resonance imaging (FMRI) allows the measurement of functional cerebral blood flow changes occurring with specific tasks using standard clinical MR systems. However, the spatial relationship between neuronal activity and functional cerebral blood flow changes is not yet known. This article reviews studies which compared the center of neuronal activation (measured by magnetoencephalography) with that of the hemodynamic response (measured by FMRI) using motor and visual stimulation.
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