However, the mind does not exist in the sense of being an ontological simple.
Further, the study of mental phenomena is independent of other sciences.
[1] This is described as a "primitive relation" that is grounded in or dependent on the physical, but with metaphysical necessity.
A version of the latter type has been advocated by John R. Searle, called biological naturalism.
The other main group of materialist views in the philosophy of mind can be labeled non-emergent (or non-emergentist) materialism, and includes pure physicalism (eliminative materialism), identity theory (reductive materialism),[2] philosophical behaviorism, and functionalism.