In their Nature Nanotechnology publication, Sara Cadoni et al. with Serge Picaud’s lab at INSERM inserted NeuroNexus A1x16-5mm-50-703-A16 acute probes at a 45-degree angle to the brain surface to record in rat visual cortex expressing ultrasound-sensitive proteins (e.g., MscL). Their experiments tested changes in visual system activity during high-frequency ultrasound stimulation, demonstrating a way to control activation of the brain that can be useful for BCI devices.