First direct brain–to–brain interface between two animals

Researchers have electronically linked the brains of pairs of rats for the first time, enabling them to communicate directly to solve simple behavioral puzzles. They even brain–linked two animals thousands of miles apart — one in Durham, North Carolina and one in Natal, Brazil.

The researchers think linking multiple brains could form the first “organic computer.”“Our previous studies with brain–machine interfaces had convinced us that the brain was much more plastic than we had thought,” said Duke University Medical Center neurobiologist Miguel Nicolelis.

“In those experiments, the brain was able to adapt easily to accept input from devices outside the body and even learn how to process invisible infrared light generated by an artificial sensor.“So, the question we asked was: if the brain could assimilate signals from artificial sensors, could it also assimilate information input from sensors from a different body?”

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• AI & Robotics

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