I honestly don't know a thing about all of this but wouldn't finding better ways to harmlessly map and study living brains provide more useful information? Mayb

I honestly don't know a thing about all of this but wouldn't finding better ways to harmlessly map and study living brains provide more useful information? Maybe a chemical substance a patient could drink that would (really no idea here) excite neurons and make the ones that are having problems stand out more during the test?