Brain-to-brain interface – but what is being transmitted?

High-tech tinfoil hat

There’s a cool new paper on brain-to-brain interfaces, and I’m sure it will be misinterpreted in the media, just like every other paper of this genre. ūüôā

There have been a couple of demonstrations of brain-to-brain interfaces¬†before, and I’ve written about one of the previous papers in Finnish.¬†¬†The idea of BBI is that information about one participant’s brain state is read (typically using EEG), and then the brain state of another participant is manipulated, typically using TMS. At least in the press, these demonstrations are often termed as “telepathy” or “mind-reading”,¬†and illustrated by images from Star Trek, X-Men or just people in tinfoil hats. Often the implications of these studies is posed as a question: will we soon be able to communicate with each other directly, without language? Will all our brains be connected together to form a giant common consciousness?

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