>>14352956If we were allowed certain experiments that are considered unethical, we would know by now.
We are very aware of what regions of the brain can be damaged and what their effects are on your speech, vision, and hearing. The mechanism of consciousness is not understood but we do know that if we damage certain regions we can make you the person reading this effectively not exist in the same manner.
Just a few scrapes here and there can make you a tard who can barely wipe their ass