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TECHNOLOGY

I played a video game just by thinking — the mind-reader revolution is real

From leisure to healthcare, ‘brain-computer’ interfaces could be a part of life within five years. Rhys Blakely tries one for himself

Rhys Blakely
The Times

In a laboratory in central London, I’ve been asked to play a simple video game. Each time a red robot appears on a screen, I have to instruct a robotic arm to pick it up. But this won’t involve pressing a button or waggling a joystick.

Instead, I merely think about making a fist. My hand does not move, but the robot arm on the screen does. A machine is decoding my thoughts and then translating them into action.

“Not long ago, we thought this would be impossible,” said Allan Ponniah, a consultant at the Royal Free NHS Foundation Trust and one of the founders of Cogitat, the company behind the system.

Buoyed by a surge of technical progress, he now believes that this kind