Science

Experiment Shows Telepathy is Possible from a Kilometre Away

No, this isn’t the onion. 

Mind

A QUESTION-AND-ANSWER game has been conducted by sending brain signals over the internet between two players more than a kilometre apart.

The US study is thought to be the first to demonstrate a telepathic link based on nerve impulses, allowing one person to guess what is on another’s mind. Telepathy

For the experiment, one participant (the respondent) wears an electrode cap recording brain activity while being shown an object on a computer screen, for instance a picture of a dog.

A second player (the inquirer) has a list of possible objects and associated questions, and sends a series of questions to the respondent by clicking a mouse.

Experimental setup ... a schematic diagram of the setup (top) and a screen shot from the game (bottom). Picture: PLOS ONE

Experimental setup … a schematic diagram of the setup (top) and a screen shot from the game (bottom). Picture: PLOS ONESource:Supplied

The respondent replies “yes” or “no” to each question by focusing on one of two LED lights flashing at different frequencies.

Both answers send a signal over the internet that activates a neuron-stimulating coil behind the inquirer’s head, but only a “yes” signal is intense enough to trigger what appears to be a flash of light behind the eyes.

The flash, or “phosphene”, caused by a brief disruption in the brain’s visual cortex, tells the inquirer the answer is “yes”. By noting the answers to the questions, the inquirer eventually identifies the object.

EEG setup ... EEG signals being recorded from a subject (the “Sender”) as the subject watches the computer game. Picture: PLOS ONE

EEG setup … EEG signals being recorded from a subject (the “Sender”) as the subject watches the computer game. Picture: PLOS ONESource:Supplied

Lead scientist Dr Andrea Stocco, from the University of Washington, said it was the most complex brain-to-brain experiment that had been done in humans.

“It uses conscious experiences through signals that are experienced visually and it requires two people to collaborate.”

The study was carried out in dark rooms in two university laboratories located just more than a kilometre apart and involved five pairs of volunteers, who played 20 rounds of the game.

Steps were taken to ensure participants did not cheat and had to complete the game using direct brain communication.

TMS setup ... the Receiver sat in a BrainSight chair with the back of the head resting against a neckrest (A) and kept in place by an adjustable arm with padded forehead prongs (B). Picture: PLOS ONE

TMS setup … the Receiver sat in a BrainSight chair with the back of the head resting against a neckrest (A) and kept in place by an adjustable arm with padded forehead prongs (B). Picture: PLOS ONESource:Supplied

Inquirers wore earplugs so they could not hear the different sounds produced by the magnetic coil when transmitting a “yes” or “no” signal.

Players were able to guess the correct object 72 per cent of the time. Incorrect guesses were caused by several factors, including uncertainty about whether a phosphene had appeared Telepathy.

Source: AU News

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