A soft forehead sticker called an e-tattoo tracks brain effort in real time. It replaces bulky EEG gear, detects fatigue early, and adjusts.

Abstract: Electroencephalography (EEG) has a wide range of applications in medical diagnosis, and novel form of Human Machine Interfaces (HMI) for controlling prosthetic implants, wheelchairs, and ...

Lu and colleagues have developed an ultrathin wireless e-tattoo that records high-fidelity EEG and EOG signals from the forehead. The e-tattoo combines a disposable sticker-like electrode layer and a ...