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pixl97today at 12:55 AM1 replyview on HN

"This will never be used by bad guys" says the person immediately before their tools are used by bad guys.


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aspenmartintoday at 1:41 AM

No, it's "this tool cannot be used by bad guys or good guys, but can be used by highly funded labs that do neuroscience". It's something that freaks people out until they gradually learn what is actually involved

https://ai.meta.com/blog/brain-ai-image-decoding-meg-magneto... [2023] https://ai.meta.com/blog/brain-ai-research-human-communicati... [last year, focuses on decoding text]

^ There's a research team at Meta that studies this. You need an MEG -- thats $2-5M + the shielded room it lives in and the experts that can operate it.

EEG doesn't work due to low spatial resolution and how finicky it is to place the electrodes to get a good signal

The signals from neurons are just unbelievably tiny and are in an absolute sea of noisy trash. No one is ever going to read your thoughts without your consent (or by wrestling you into a big MEG, in which case you have bigger things to worry about). No one is going to be reading your dreams with any sort of accuracy either.

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