Neat News 1981 (added 2021-06-03)
Ultrasound stimulation of neurons

© BruceBlaus [CC BY 3.0]
The stimulation of neurons in the brain is used in the treatment of Parkinson's disease and other brain disorders, but typically requires the implantation of a device. Now a new technique involving focused ultrasound can stimulate specific types of neurons in the brain without any implantation.
related: #neuron_stimulation #ultrasound