Sensors and amplifier system used to collect brain signals (EEG signals).

Figure shows a system by which a user can do text entry using his brain signals. It consists of an eye tracker and a brain-computer interface (BCI). Instead of typing a character, the user must gaze at the target he intends to type, amongst all the possible letters and characters appearing on a screen. The user must then think that he is performing a movement such as a hand extension.

Leave a Reply