Summary: MIT researchers have a developed a new method for stimulating neurons deep inside the brain non-invasively, using multiple electric fields applied from outside the organ.
![](https://www.braininitiative.org/wp-content/uploads/2017/06/mouse-hippocampus.jpg)
Temporal interference stimulation excites an area in the mouse hippocampus, shown in bright green through c-Fos labelling. Image: Nir Grossman, Suhasa B. Kodandaramaiah and Andrii Rudenko.