MR-Guided Focused Ultrasound Neuromodulation of Nucleus Accumbens to Attenuate Oral Fentanyl Motivation in A Self-Administration Rat Model
David Alexander Martin, Abubakr Eldirdiri, Thomas Ernst, Eric P. Cunningham, Segun Bernard, Sandesh P. Kamdi, Donna J. Calu, Linda Chang
This study evaluates MR-guided focused ultrasound targeting the nucleus accumbens to reduce fentanyl motivation in rats, finding no significant effect despite confirming NAc as the target.
bioRxiv · Oct 22, 2026 · PreprintNeuroscience