Trying to get this kind of accuracy and bandwidth for signal measurements you'd have to risk killing the human or at least severely cripple them. Look at how ou

Trying to get this kind of accuracy and bandwidth for signal measurements you'd have to risk killing the human or at least severely cripple them. Look at how outraged people here regularly get over Neuralink's tiny chip that would only insert an inch or so of electrode threads into the brain. Now imagine they were sticking stuff in there that penetrates the entire brain. It's much easier publicity wise to just do that with a bunch of neurons on a board.