be possible that every single time the brain is injured, the mind is also injured? Indeed, it is very frequently the case that one can even predict and explain the kind of mental or psychological deterioration or change that human beings will undergo when specific parts of their brains are damaged. So the question that the dualist must confront is how all of this can be explained if the mind is a separate and immaterial substance from, or if its properties are ontologically independent of, the brain.

Modern experiments have demonstrated