For comparison, they also attached traditional EEG electrodes next ... to embed wireless transmitters directly into the tattoos. Right now, brain-computer interfaces are bulky and unwieldy.

This temporary scalp tattoo allowed researchers to track ... cancer, epilepsy and brain injury. A traditional EEG test requires technicians to measure each patient's scalp with rulers and pencils ...

or e-tattoo, versus traditional commercial wet-gel electrodes, the team measured five study participants for error-related potential and motor imagery, which are two widely used brain-computer ...