Retrospective correction of involuntary microscopic head movement using highly accelerated fat image navigators (3D FatNavs) at 7T

• Published in: Magnetic resonance in medicine Vol. 75; no. 3; pp. 1030 - 1039
• Main Authors: Gallichan, Daniel, Marques, José P., Gruetter, Rolf
• Format: Journal Article
• Language: English
• Published: United States Blackwell Publishing Ltd 01.03.2016; Wiley Subscription Services, Inc
• Subjects: Acceleration; Adult; Blood vessels; Brain - anatomy & histology; Brain - physiology; Conspicuity; Excitation; FatNavs; Head movement; Head Movements - physiology; Humans; Image quality; Imaging, Three-Dimensional - methods; Magnetic Resonance Imaging - methods; Motion simulation; Navigators; retrospective motion correction; Three dimensional motion; Young Adult; FatNavs; retrospective motion correction; navigators

Purpose The goal of the present study was to use a three‐dimensional (3D) gradient echo volume in combination with a fat‐selective excitation as a 3D motion navigator (3D FatNav) for retrospective correction of microscopic head motion during high‐resolution 3D structural scans of extended duration....