Scientists discover natural psychological induction: mice can communicate by mind

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Release date: 2013-03-08

Beijing time on March 7th news, according to foreign media reports, scientists found that two thousands of miles of small mice can pass instructions only through the mind, this is a natural form of psychological induction.
Rats use microchips implanted in the brain to communicate, although two mice are thousands of miles apart during an experiment, they can work together to solve a simple intelligence test game. The researchers said that this is the first instance of the "brain-brain interface", and perhaps one day animals and people can read each other's minds. According to the research team at Duke University in North Carolina, USA, "As far as we know, these findings prove for the first time that there is a direct channel of behavioral information exchange between the brains of two animals. It can be done without conventional communication. Communicate with each other.” Miguel Nikorelis, the head of the study, is a pioneer in brain-computer interface research. He said the study is to connect the ideas of multiple animals to form an “organic computer”. "Or the brain-net, the first step in sharing information between a group of animals."
He said: "We can't even predict what highlights when animals begin to interact as part of the brain network. In theory, you can imagine which brain material provides a solution to the tasks that the individual's brain can't. He said that this would even cause a animal to merge with another animal's self-feeling, but they fear that this will lead to the development of mental control. The research was published in the Nature-Science Report, during which the microelectrodes implanted in the mouse's brain allowed one mouse to pass instructions to another mouse, even if they were kept in separate cages. . The researchers taught the first mouse, called the "encoder," to react to a light and find the water in its cage by pressing a special lever. Its brain is connected to the brain of a second mouse called the "decoder", and the researchers did not teach the second mouse to respond to light signals.
The second mouse relies only on brain commands, but under stimulation, it presses the right lever for 70% of the time, accepting rewards, far more than the rewards it accidentally encounters with the lever, indicating that they are influenced by other mice. guide. It is worth noting that the communication between the two mice seems to be two-way. If the decoder mouse makes the wrong choice, the encoder mouse can't get a full reward, which causes it to produce a clearer and clearer brain signal. Dr. Nikollis said: "We found that when the decoder mouse went wrong, the encoder mouse basically changed its brain function and behavior, so that the other mouse it cooperated with was more likely to make the right choice. "This suggests that there is "behavioral collaboration" between the two mice," he said. The second test involved two mice using their beards to distinguish between narrow and spacious passages. A signal from a mouse can help the other to make the right choice and get a reward. Evidence from this study suggests that the decoder mouse begins to form a dual identity by receiving the feeling of two rows of beards, one for its own and the other for its partners.
Nikorelis said: "In these experiments, we studied the sensory cortex of the decoder mouse. The results showed that the brain of the decoder not only began to represent the tactile cortex responsible for its own beard, but also began to represent the beard of the encoder mouse. The tactile cortex. We found that its cortical neurons responded to the whiskers of both mice." They used another pair of mice to perform the test again, one in Dala, North Carolina, and the other in Brazil. Natal. Despite being so far apart, scientists can change the behavior of the second mouse by recording the brain signals from a mouse and transmitting them over the network to another mouse. A British expert, Professor Christopher James of Warwick University, also conducted a similar study. He said: "It is not going to happen overnight when the mice that cooperate through the world and take over the network through the network will not happen overnight. I am trying to think about any application that does not cause ethical problems." (孝文)


Source: Sina Technology

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