Rudimentary Brain-to-Brain Communication
A team of researchers at Seattle's University of Washington have developed an inter-neural device that allows three people to collaborate in a Tetris-style game through direct thought control. The system, called BrainNet, uses EEG's to record brain activity by means of electrical impulse. To transmit a "thought" signal, specified neurons are stimulated with TMS or transcranial magnetic stimulation.This non-invasive brain-to-brain interface was designed to allow users to collaborate in the completion of a task, but it may also be useful for gaining a better understanding of cognitive processes.
EEG-eletroencephalagram.
In this project, two of the three participants had to decide independently whether or not to rotate a falling Tetris block to complete rows at the bottom. Two LEDs flashed at different frequencies on either side of the screen, and the senders would stare at one or the other depending on if they felt the block should be rotated or not. The EEG's were able to sense which decisions were being made by picking up the frequency of the flash (either 15 or 17 Hz), then this information was relayed through a TMS cap to the 3rd participant, by means of a phantom flash of light. This person could not see the game board, but could control the rotation of the block. The phantom light flash is called a phosphene, and is magnetically induced in the subjects mind by the TMS cap.
Through similar means, the senders could send feedback to the receiver about their move, and receivers could make judgments about which sender was more reliable.The experiment was repeated with across 5 groups of 3, with an average accuracy of over 80%, with respect to making the right tetris moves.
Though the system can only transmit a single piece of data at a time, the scientists hope to greatly expand this capability and aim to be able to scale the project to be able to connect whole networks of people via the internet. Previously, this same group used similar technology to link two participants in a game of 20 questions, where phosphene flashes were used to transmit "yes" or "no" answers between the player's brains.
Wow this makes the technology to another level.
I am very amazed to see this technology
This confirms another pointer to the Fact that the Human Brain's Capacity To Perform Differentially has not being Maximally Explored and Put to As Much Beneficial Use As Possible.
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I don't think so.
Our brain do many things at a time and it works with fully operational
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The scary part is that the tech might be used for other purposes. The implications for people with physical inabilities is tremendous. WOW!
Really interesting, thinking in the fact that each brain has learn at their own pace and with different experiences. The most difficult issue to have a good communication between brains, is to synchronize thoughts, and knowledgements (I mean neuronal ones). But this experiment is a huge step to achieve this purpose in a short term future. Congratulations.
I don't know if this is awesome or scary. I'll let you know when someone tries to send subliminal comercials through them.
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