"University of Washington researchers have been able to send one person's thoughts through a computer to control the hand movement of another person sitting a short distance away, Mashable reports.

This brain-to-brain communication was first tried in 2013 but the process is now more refined.

In the latest experiment, researchers used three pairs of people, with each person attached to specially designed skull caps with a range of sensors which were connected via a computer.

The participants sat in front of a computer game in which a city was under siege.

In the test, one person was told to fire a canon to defend the city, but they could only think of the movement required rather than touch the controls.

The idea of the test was to determine if the hand of the other person in the separate room would move to touch the controls.

The test was not a complete success. Researchers said accuracy varied from 25 per cent to 83 per cent.

Researchers say total mind control is still a long way off."

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