The new video-game controller from Emotiv Systems is a wireless headset with 16 embedded sensors that register electrical signals from the brain. The device can detect users' facial expressions and emotions, potentially giving digital characters the personalities of their creators. Once the headset is calibrated to a player's brain signals, the player can push, pull, lift, and drop virtual objects using thoughts alone. The device comes with a game designed to explore the possibilities of brain-controlled gaming, but it can be adapted to any PC game.

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