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Abstract #1090

Detecting Single Cortical Column Activation Under Super High Spatial Resolution at 9.4 T Using Single-Shot Half K-Space GR-EPI

Rupeng Li1, Patrick Hettinger2, Younghoon Cho1, Christopher P. Pawela1, Ji-Geng Yan2, Andrzej Jesmanowicz1, Anthony Hudetz3, Hani Matloub2, James Hyde1

1Biophysics, Medical College of Wisconsin, Milwaukee, WI, United States; 2Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, United States; 3Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, United States


Single-shot half k-space GR-EPI sequence was used to push the BOLD imaging resolution to 300 micron cubic voxel and unique single column cortical activation in the sensory cortex was detected when stimulating the middle phalange of all 8 digits of rat.