Recording the goings-on inside the human brain is no simple task, largely because there’s a skull in the way ... can be used to print temporary “e-tattoo” sensors directly onto the scalp.

While electroencephalography (EEG) can provide a wealth of information on the electrical activity of an individual's brain, that person is required to wear a clumsy skull cap full of electrodes.

However, the process often proves time-consuming and uncomfortable for patients, with head shape, skull size ... skin-friendly e-tattoo that can pick up high-quality brain signals.

An e-tattoo applied to the scalp could record brain waves in the future ... To do this, they have to attach electrodes to the patient's skull from the outside, placed as precisely as possible ...

Folks soon might have their brain activity scanned using a temporary tattoo, a new study suggests. This temporary scalp tattoo allowed researchers to track electrical brain activity much more ...