I understand putting a chip in the body when it’s only supposed to passively hold information (e.g. one of those tagging chips for lost pets). But if it’s a chip that’s supposed to do something (say, translating brain signals into actions), how does it “know” what it’s supposed to do? I’m picturing wiring up individual nerves to the chip to provide it with information, but that can’t be right.
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>I’m picturing wiring up individual nerves to the chip to provide it with information, but that can’t be right.
That’s (almost) exactly right. It uses tiny sensors – which can be described as “wires” – attached to neurons and detects changes in those neurons.
Note that the exact details depend a lot on the chip and what it’s doing. Since you mentioned brain signals, that’s likely what is going on in such a chip. If a chip were, say, monitoring blood glucose, then it would use different sensors – it would have something attached to your bloodstream, not your nerves.
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