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Abstract #1635

A living phantom study to evaluate the echo planar imaging (EPI) distortion correction effects in reducing inter-site variability

Amritha Nayak1,2, Elizabeth Wilde3, Brian Taylor3, CENC Neuroimaging Core Investigators4, Laura Reyes1,2, and Carlo Pierpaoli1

1Quantitative Medical Imaging Section, NIBIB, NIH, Bethesda, MD, United States, 2The Henry M. Jackson Foundation for the Advancement of Military Medicine Inc, Bethesda, MD, United States, 3Baylor College of Medicine, Houston, TX, United States, 4Chronic Effects of Neurotrauma Consortium, Richmond, VA, United States

In this study we evaluate the effect of echo planar imaging (EPI) distortion artifact as a contributing factor in inter-site variability. With living phantom data acquired with opposite phase encoding direction protocol (blipup-blipdown), we show the effectiveness of a robust EPI distortion correction method in reducing inter-site variability.

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