Indeed, I once had my brain stolen, by a beautiful woman in the Sigma Draconis star system. If not for the high Iodine content of my blood, and the skillful craft of Leonard McCoy, I doubtless would have not survived, although I found his comments afterwards to lack any logic whatsoever. Following this episode, I undertook vigorous study of trans-plant technology, as I swore I would never leave myself open to such manipulation again. My phd is stowed in a hallowed place in the implement repository.