Design and characterization of an MR-compatible FUS randomized array for transcranial neuromodulation (original) (raw)

2017 IEEE International Ultrasonics Symposium (IUS), 2017

Abstract

Transcranial focused ultrasound (FUS) is a noninvasive technique for therapy and study of brain neural activation. Here we report on the design and characterization of a new MR-guided FUS transducer for neuromodulation in nonhuman primates at 650kHz. Focus size and grating lobes during electronic steering were quantified using hydrophone measurements in water and a three-axis stage. Pressure output vs. power was characterized and shown to agree with design simulations.

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