> Deep-brain stimulation works by shoving electrodes into your brain and moving them around while asking, "do you feel better now?" (Or having the patient perf

> Deep-brain stimulation works by shoving electrodes into your brain and moving them around while asking, "do you feel better now?" (Or having the patient perform a task like writing which demonstrates symptoms of the condition being treated). That's somewhat similar to how I've heard(perhaps apocryphally) lobotomies were done. They'd have the patient read from a book or sing a song and would cut until their diction was impacted.