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The ability to read in someone else's mind is one of the essential elements of science fiction and superhero intrigue dating back decades, but it has never been closer to reality . A new study by a team of neuroscientists using a tool called "BrainNet" does not change that, but it brings us a little closer, which is pretty cool.
The team, which submitted their work in a document awaiting publication, describes how they managed to connect the brains of three different people and allowed them to communicate without seeing each other or saying a single word.
As ScienceAlert In writing, the BrainNet system combines two existing technologies – electroencephalogram and transcranial magnetic stimulation – to allow three participants to passively pass cerebral signals. In this case, the three brains were linked in order to play a Tetris type game in a very non-traditional way.
The system, while complex, was actually quite simple to use for the participants. One person was in charge of controlling the blocks that fell in the Tetris clone, while two others had to tell the player if the blocks were to be returned at the time of the fall. To do this, they watched one of two flashing lights located on the sides of the game screen.
The "player" could detect these flashing lights even though he could not see them directly, thanks to the special cap that transmitted the brain signals to the other two participants. The person controlling the block could see if the placement of the block was successful but could not see the blocks before placement.
After conducting the experiment with 15 people spread over five groups of three, the overall accuracy was slightly greater than 81%, which is actually quite impressive. In the future, the team hopes to improve the system to allow more data to be transmitted between participants.
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