Abstract #1337

Simultaneous brain and spinal-cord fMRI using slice-based shimming and a reduced FOV

Haisam Islam¹, Christine Law², Sean Mackey³, and Gary Glover⁴

¹Bioengineering, Stanford University, Stanford, CA, United States, ²Stanford University, Stanford, CA, United States, ³Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, Stanford, CA, United States, ⁴Radiology, Stanford University, Stanford, CA, United States

Simultaneous functional imaging of the brain and spinal cord would provide valuable understanding of neural information processing. However, this is challenging due to the poor field homogeneity of the spinal cord as well as the typically high spatial resolution desired for it. The higher-order shims available on most scanners are static, and thus cannot switch rapidly between brain and spinal cord acquisitions Here, we use a dynamic slice-based shim for brain slices and a volume-based shim + reduced FOV acquisition for a neck volume to perform simultaneous functional imaging of both structures of interest.

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