The mind-body dichotomy is the view that "mental" phenomena are, in some respects, "non-physical" (distinct from the body). In a religious sense, it refers to the separation of body and soul.

The mind-body dichotomy is the starting point of Dualism, and became conceptualized in the form known to the modern Western world in René Descartes' philosophy, though it also surfaced in pre-Aristotelian concept and in Avicennian philosophy.

This view of reality leads one to consider the corporeal as little valued and trivial. The rejection of the mind-body dichotomy is found in French Structuralism, and is a position that generally characterized post-war French philosophy. The absence of an empirically identifiable meeting point between the non-physical mind and its physical extension has proven problematic to dualism and many modern philosophers of mind maintain that the mind is not something separate from the body. These approaches have been particularly influential in the sciences, particularly in the fields of sociobiology, computer science, evolutionary psychology and the various