It may be the case that a healthy brain is necessary for a healthy personality. It is not clear, however what follows from this. If a person's brain stops func

It may be the case that a healthy brain is necessary for a healthy personality. It is not clear, however what follows from this. If a person's brain stops functioning normally, does he become less human? If a dolphin or monkey can demonstrate more intelligent actions than the brain-damaged person, does this make them more human than they are? More worthy of life? These are the kind of questions they ask in your local philosophy department.