An uncanny device called the MEV probe can travel to the deepest parts of your brain via the narrowest blood vessels that lead to them.
with an endovascular probe like MEV and was previously only possible with surgical implantation directly into the brain tissue. However, such surgical procedures are risky as they involve invasive intracranial surgery that could lead to infections and brain damage.
“We think it is useful for the readers to know that the procedure of catheter insertion into a blood vessel can be fairly routine in a hospital, and one of us recently had catheters inserted through blood vessels through the neck and arm as part of cancer treatment with no ill effects,” said Dr. Zhang.
According to the researchers, this is an essential design because it allows the electrodes to be closely attached to inner vessel walls, close to the neurons they are recording from, which improves the recording quality.
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