Scientists probe into a rat’s inner thoughts, find imagination

Get a daily digest of the latest news in tech, science, and technology, delivered right to your mailbox. Subscribe now.to peer into a rat’s inner thoughts by inventing a unique technology that combines a virtual reality arena with a brain-machine interface. What they found is a thought process very similar to that of humans.

The brain-machine interface that the researchers used allowed the rats’ brain activity to be directly connected and reported to an external device. It was therefore able to transmit the rat's observed hippocampal electrical activity while the animal thought of its location in the virtual reality arena.

By using the BMI, the researchers were able to determine whether a rat can trigger the hippocampus simply by thinking about a spot in the arena rather than physically visiting it. In other words, they sought to determine whether the animal could imagine the location.

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