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Tiny brain sensor shows 96.4% accuracy in identifying neural signals
(interestingengineering.com)
this post was submitted on 16 Apr 2025
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I'm curious if this could work for prosthesis/ BCI while being implanted in an arm so as to avoid the issues of brain surgery.
Probably not. To get input from the brain, you need to place a sensor near it. But this device doesn't get inserted into the brain, it sits in the scalp.
There are plenty of non-invasive brain reading technologies though, like EEG and near-infrared spectroscopy. They're just big and bulky with low resolution.
Edit: in the case of prosthetics, it depends on where the disconnect is. If the brain and spinal cord are intact and the issue is in the periphery, yes, you can read the signal far away from the brain (namely the spinal cord) and then work from there.