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Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Updated: Dec 7, 2025

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

Dynamic distortion correction for functional MRI using FID navigators.

Tess E Wallace^1,2, Jonathan R Polimeni^2,3, Jason P Stockmann^2,3

¹Computational Radiology Laboratory, Department of Radiology, Boston Children's Hospital, Boston, Massachusetts, USA.

Magnetic Resonance in Medicine

|September 24, 2020

Summary

This summary is machine-generated.

This study introduces a new method using FID navigators (FIDnavs) for dynamic distortion correction in echo-planar imaging (EPI), significantly improving signal stability and accuracy in functional MRI scans.

Failed At:

2026-06-19T13:48:04.754359+00:00

Keywords:

B0 inhomogeneity EPI artifacts FID navigators dynamic distortion correction field map functional MRI

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