Keywords: Gradients, New Trajectories & Spatial Encoding Methods, UltrasonicIn this work, we present peripheral nerve stimulation and imaging results for a dual-axis head gradient that operates at ultrasonic frequencies. PNS measurements on 4 volunteers did not yield any noticeable stimulation. Imaging was performed using an ultrasonic Wave-CAIPI MP-RAGE, which featured ~20-fold acceleration and fully-sampled K-space coverage. We show the first images with this approach and a g-factor close to unity.
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