Examination of Transcranial Focused Ultrasound on Brain Activity in Adults

tFUS is a brief stimulation of a part of the brain called the ventral striatum with low-intensity sound waves that pass through the scalp and skull safely.

Sham tFUS goes through the motions of applying tFUS to the brain. Participants will know that one session will be a sham, but they will be blinded to which session is the sham