They’ve created a liquid ink that can be sprayed directly onto a person’s scalp, forming an ultra-thin electronic tattoo.

EEG testing (electroencephalography) involves measuring electrical activity in the brain through electrodes placed on the scalp. It helps diagnose neurological disorders such as epilepsy ...

Magnetoencephalography (MEG) has long held the promise of providing a non-invasive tool for localizing epileptic seizures in humans due to its high spatial resolution compared to the scalp ...