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Abstract #1843

Evaluation of motion patterns and their effect on image quality in pediatric populations

Onur Afacan1, Burak Erem1, Diona P. Roby1, Noam Roth2, Amir Roth2, Sanjay P. Prabhu1, and Simon K. Warfield1

1Radiology, Boston Childrens Hospital and Harvard Medical School, Boston, MA, United States, 2Robin Medical Inc., Baltimore, MD, United States

In this work we report results from a large pediatric study that shows the effect of motion. Motion patterns were measured on 82 children, mean age 13.4 years, in a T1 weighted brain MRI. An expert radiologist graded the images using a 4-point scale ranging from clinically non-diagnostic to no motion artifacts. We used these grades to correlate motion parameters such as maximum motion, mean displacement from a reference point and motion free time. The results will help the motion correction community in better understanding motion patterns in pediatric populations and how it effects image quality.

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