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Acquisition of electrophysiologic signals during magnetic resonance imaging
J M Parker1, J R Alger, M A Woo
1Brain Research Institute, University of California at Los Angeles, 90095-1763, USA.
Sleep
|January 5, 2000
Abstract:
We describe a low cost system for acquiring electrophysiological signals during magnetic resonance imaging. The system consists of high common-mode-rejection and low noise operational amplifiers, coupled by fiber optic cables to a receiver located at the periphery of the magnetic field. The system minimizes noise introduction which would contaminate image signals.