We pointed an ultrasound probe at the scent-processing region of the brain to obtain different sensations. Different focal spots corresponded to different smells, which we’ve replicated first-try on two people and validated with a blind trial. The AnatomyThe olfactory bulb, our target, is tucked behind the top of the nose. Instead, we found that you can place the transducer on the forehead and aim the ultrasound downward towards the olfactory bulb. Can you feel the meaningThe reason stimulating olfactory sensations is interesting is not just "VR for smells", as one might initially assume.