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Abstract #0862

Real-Time Field Control for Enhanced Temporal SNR in fMRI Time Series

Bertram J. Wilm 1 , Lars Kasper 1 , Yolanda Duerst 1 , Benjamin E. Dietrich 1 , Simon Gross 1 , Thomas Schmid 1 , David O. Brunner 1 , Christoph Barmet 1,2 , and Klaas P. Pruessmann 1

1 Institute for Biomedical Engineering, ETH Zurich and University of Zurich, Zurich, Zurich, Switzerland, 2 Skope Magnetic Resonance Technologies, Zurich, Switzerland

In fMRI time series temporal SNR is reduced by field drifts as well as physiological noise such as stemming from breathing or limb motion. To address this problem we present the use of a real-time field control system to compensate for field fluctuations independently of the employed sequence without the need to alter image reconstruction or additional pre-processing.

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