The dualist position theorizes that the mind and body are of distinctly separate entities. Thus a dualist would disagree with any theory that determines the mind and brain to be one same physical mechanism. The modern problem of the link between mind and body stems from the thought of Rene Descartes, a 17th-century French philosopher, mathematician and scientist bestowed as the father of modern western philosophy, whom of which gave dualism its classical establishment. Beginning with his famous quote “I think therefore I am” Descartes developed a thesis that the mind and body are actually distinct. He believed that there are 2 kinds of substance: matter, of which the essential property is extended in space; and mind, of which the essential
