On the contrary, I submit that even an atheist who relies on the theory that he or she only exists due to the existence and survival of the physical body is demonstrating a kind of faith in that premise. Sure, they may believe that science can account for the existence of the mind and thought-however, a reasonably thoughtful person who embraces this notion will necessarily recall that scientific belief about the nature of the body and how it works was quite different just a few hundred years ago. For example, doctors once thought an imbalance in the "humors" caused mental imbalances. They also believed that these imbalances could be corrected through "draining" various kinds of humors. Clearly, according to modern medicine, the "cause" of the mental imbalances, or mental states (and the mind is what we experience as internal reality), is due to tiny neurons in the brain, and not on any elemental humor that can be "drained" or balanced. If, then, science (the temporal "representative spokesman" of the body-based identity theory could be wrong in this case, could not science also be lacking in the ability to account for the continued existence of mind, even after the end of physical life as we recognize it?.

             Take, for instance, the fact that neuro-science today considers "electrical impulses" to be a key factor in brain function. Of course, modern body-identity adherents believe that it is the brain that projects the illusion of the mind (an illusion (according to them) because it is merely the sum of nerve, cellular, electrical activity, etc.).