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.