Telepathy via computer
People have been taught to read each other's minds
Tape.Roo American scientists were able to make two people read each other's thoughts from a distance.
The participants of the experiment successfully played a question-and-answer game: one of them asked a series of questions, and then guessed exactly which object the second one was thinking about. The results of the study are presented in the journal PLoS One (Stocco et al., Playing 20 Questions with the Mind: Collaborative Problem Solving by Humans Using a Brain-to-Brain Interface).
The experiment was conducted in two dark rooms located at a distance of one and a half kilometers from each other. At the beginning, the first participant (the respondent) was shown a picture with an image of an object, which he had to make a wish. Then the second participant chose from the suggested questions ("Is this a tree? Yes or no?" and so on) by clicking on them with the mouse. Questions were sent over the Internet to the respondent, on whose head an encelographic helmet was put on. The answers were given in this way: the participant of the experiment looked at one of the two LEDs attached to the monitor, flashing at different frequencies.
The answers received were recorded by an electroencephalograph and sent back via the Internet to the questioner — and sent directly to his brain, using transcranial magnetic stimulation (TMS) and through a magnetic coil installed above his head. TMS stimulated the visual area of the cerebral cortex, and when answering "yes", the questioner saw phosphenes (dots, shapes and other visual sensations that occur in a person without exposure to light on the eye). The answers "no" did not cause any reaction, and the questioner continued to make guesses.
Five pairs of participants spent 20 rounds of the game (ten real and ten control, with TMS discreetly disabled). To guess each object, three questions could be asked.
The participants of the experiment successfully recognized the hidden object in 72 percent of the games (in the control rounds — only 18 percent). Scientists explain incorrect answers by the incompetence of the responders, equipment failures or incorrect focusing (on both LEDs instead of one).
"This seems to be the most difficult experience of direct contact between two brains from those that were previously conducted on people," said the project leader, neurophysiologist Andrea Stocco (in a press release, the UW team links two human brains for question—and-answer experiment - VM).
Having received a grant in the amount of one million dollars, the Stocco Group implements a variety of projects. So, scientists are trying to transmit the "mood of the brain" from one person to another: for example, an absent-minded student receives a signal from a diligent one, and his brain automatically begins to concentrate on the lecture.
"Evolution has spent a huge amount of time for humans and other animals to learn how to extract information from their brains and communicate it to other creatures — through speech, behavior, and so on. But this process is impossible without signal conversion. We are trying to deploy it: open the box and transmit signals directly from brain to brain, with minimal transformation," Stokko said.
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25.09.2015