Dynamic B0 shimming for multiband imaging using high order spherical harmonic shims.
Hoby P HetheringtonChan Hong MoonMichael SchwerterNadim Joni ShahJullie W PanPublished in: Magnetic resonance in medicine (2020)
High order spherical harmonics provide substantial improvements over static global shimming and enable dynamic multiband shimming with near equivalent performance to that of dynamic slice-by-slice shimming. This reduces distortion in echo planar imaging.