Dynamic Multi-Coil Technique (DYNAMITE) Shimmed EPI of the Rat Brain at 11.7 Tesla
Christoph Juchem 1 , Peter Herman 1 , Basavaraju G Sanganahalli 1 , Terence W Nixon 1 , Peter B Brown 1 , Scott McIntyre 1 , Fahmeed Hyder 1 , and Robin A de Graaf 1
Diagnostic Radiology, Yale University, New
Haven, CT, United States
The in vivo rat model is a work horse in neuroscientific
and preclinical MR research, however, excellent magnetic
field homogeneity is required for meaningful results.
The benefits of Dynamic Multi-Coil Technique (DYNAMITE)
shimming for echo-planar imaging (EPI) of the rat brain
at 11.7 Tesla are presented. Improved field homogeneity
along with the achievable large brain coverage will be
crucial when signal pathways, cortical circuitry, the
brain's default network or multi-modal integration are
studied. Along with the efficiency gains demonstrated
recently, DYNAMITE shimming has the potential to replace
conventional shim systems in small bore animal scanners.
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