# Reductive materialism > A physicalist theory in the philosophy of mind. It asserts that mental events can be grouped into types, and can then be correlated with types of physical events in the brain. A theory in the . It asserts that mental events can be grouped into types, and can then be correlated with types of physical events in the [brain](https://wiki.g15e.com/pages/Brain.txt). ## See also - [Eliminative materialism](https://wiki.g15e.com/pages/Eliminative%20materialism.txt)