Half of the people received a sham (fake stimulation), while the other half received a mild electrical current which activates neurons in the targeted region. (sciencedaily.com)
They plan to do this by activating the neurons in these regions using electrodes and measuring the impact on learning outcomes. (sciencedaily.com)
The team was able to activate the neurons using pulses of light to heat up the silicon particles, causing current to flow through the cells. (anl.gov)