S22-076 Ultrasonic Neuromodulation with High Spatial Resolution Chirp Waveform Pattern Interference Radiation Force (PIRF) Stanford researchers from the Khuri-Yakub group have designed an improved, high spatial resolution ultrasonic neuromodulation device that implements chip waveform instead of continuous wave PIRF. Butrus Khuri-Yakub Kwan Kyu Park Kamyar Firouzi Younghun Kim