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Magn Reson Med. 1989 Jul;11(1):114-20

Motional phase artifacts in Fourier transform MRI

Wedeen VJ, Wendt RE 3rd, Jerosch-Herold M.

Abstract

Most magnetic resonance imaging (MRI) techniques are subject to a "motional blurring" arising from the acquisition of data in the presence of a frequency-encoding gradient. The Fourier transform of the signal from a spin moving along a magnetic field gradient obeys an equation analogous to the free space Schrödinger equation. Computer simulations of the Bloch equations illustrate the implications of this motional blurring in MRI.

PMID: 2747511
| MGH/HST Martinos Center for Biomedical Imaging

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