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Acquisition of electrophysiologic signals during magnetic resonance imaging.

Source: Sleep 1999 Dec;22(8):1125-1126.
Author: Parker JM, Alger JR, Woo MA, Spriggs D, Harper RM.
PubMed ID: 10617174

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.