Could a mind-reading machine soon be a reality? Scientists 'decode' human brainwaves

Daily Mail

A 'mind-reading machine' that can display mental images is a step closer after scientists decoded brain signals related to vision, it was claimed today.

Researchers from the University of Glasgow showed six volunteers images of people's faces displaying different emotions such as happiness, fear and surprise.

In a series of trials, parts of the images were randomly covered so that, for example, only the eyes or mouth were visible.

Participants were then asked to identify the emotion being displayed while electrodes attached to the scalp measured the volunteers' brainwaves.

The scientists were able to show that brainwaves varied greatly according to which part of the face was being looked at.

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