It's rather unfortunate that in the West it is impossible to get elective brain surgery. The countries that will do it have at best a spotty record. I talked to someone who had it done in Brazil and their electrodes became dislodged after a few months.

There is nothing new or horrifying about self experimentation. Newton for one did it in conditions that were far more dangerous: https://psmag.com/social-justice/newtons-needle-scientific-s...