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Telepathy achieved – two human brains linked in complex experiment

University of Washington researchers have created the first telepathic link between two humans. Their technique didn't rely on supernatural powers, but rather on nerve impulses, electrodes, and advanced science.

Mihai AndreibyMihai Andrei
September 24, 2015
in Mind & Brain, News
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University of Washington researchers have created the first telepathic link between two humans. Their technique didn’t rely on supernatural powers, but rather on nerve impulses, electrodes, and advanced science.

Connecting brains

University of Washington postdoctoral student Caitlin Hudac wears a cap that uses transcranial magnetic stimulation (TMG) to deliver brain signals from the other guessing-game participant. (University of Washington)

The researchers had two participants play an old-school game of 20 questions but with a twist: one participant was asked the questions, and the other one, who was in a different room, had to answer.

“This is the most complex brain-to-brain experiment, I think, that’s been done to date in humans,” said lead author Andrea Stocco, an assistant professor of psychology and a researcher at UW’s Institute for Learning & Brain Sciences. “It uses conscious experiences through signals that are experienced visually, and it requires two people to collaborate,” Stocco said.

The respondent participant wears a cap connected to an electroencephalography (EEG) machine that records electrical brain activity. He is then shown an image of an object or creature (for example a dog, or a table). Then, the second participant, the inquirer, was presented with a list of possible objects and associated questions, and sent the questions to the first participant. The respondent replies “yes” or “no” to each question by focusing on one of two LED lights flashing at different frequencies. Both answers sent a signal through the internet, activating a neuron-stimulating coil behind the inquirer’s head. However, only the “yes” was strong enough to trigger a specific response – something that resembles a flash of light behind the eyes.

“They have to interpret something they’re seeing with their brains,” said co-author Chantel Prat, a faculty member at the Institute for Learning & Brain Sciences and a UW associate professor of psychology. “It’s not something they’ve ever seen before.”

Basically, one of the participants telepathically tells the other the answer is “yes” or “no”. Of course, it’s not full blown telepathy, but if their study is correct, then they did manage to create a telepathic connection.

UW grad student Jose Ceballos, the “respondent,” wears an electroencephalography (EEG) cap that records brain activity and sends a response to a second participant. (University of Washington)

Telepathy, a reality

Naturally, I’d be really skeptical of such a study, but it seems to pass all the scientific requirements.

The experiment was carried out in dark rooms in two UW labs located almost a mile apart and involved five pairs of participants; the researchers also took the necessary measures to ensure that participants couldn’t use clues other than direct brain communication to complete the game. The inquirers also wore earplugs so they couldn’t hear the different sounds produced by the varying stimulation intensities of the “yes” and “no” responses.

“We took many steps to make sure that people were not cheating,” Stocco said.

This is not the first time a brain-to-brain connection was demonstrated, but it’s the first time a true telepathic communication was established and demonstrated. The team is also working on transmitting brain states – for example from an alert person to a sleepy one, or from a concentrated person to someone with ADHD.

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“Imagine having someone with ADHD and a neurotypical student,” Prat said. “When the non-ADHD student is paying attention, the ADHD student’s brain gets put into a state of greater attention automatically.”

Telepathy has fascinated humans for centuries, and now, for the first time, we may actually achieve it – not through some supernatural ability, but through science.

“Evolution has spent a colossal amount of time to find ways for us and other animals to take information out of our brains and communicate it to other animals in the forms of behavior, speech and so on,” Stocco said. “But it requires a translation. We can only communicate part of whatever our brain processes. What we are doing is kind of reversing the process a step at a time by opening up this box and taking signals from the brain and with minimal translation, putting them back in another person’s brain,” he said.

Tags: brainconnectiontelepathy

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Mihai Andrei

Mihai Andrei

Dr. Andrei Mihai is a geophysicist and founder of ZME Science. He has a Ph.D. in geophysics and archaeology and has completed courses from prestigious universities (with programs ranging from climate and astronomy to chemistry and geology). He is passionate about making research more accessible to everyone and communicating news and features to a broad audience.

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