WHAT IS FUNCTIONALISM? that what makes something a mental state of a particular Functionalism in the philosophy of mind is the doctrine type does not depend on its internal constitution, but rather on the way it functions, or the role it plays, in the system of which it is a part Functionalism is a theoretical level between the physical is different from its predecessors of put [21 Therefore, it implementation and behavioural out Cartesian dualism (advocating independent mental and physical substances) and Skinnerian behaviourism and physicalism(declaring only physical substances) because it is only concerned organization or its software programs,, through its with the effective functions of of the braiWHAT IS FUNCTIONALISM?  Functionalism in the philosophy of mind is the doctrine that what makes something a mental state of a particular type does not depend on its internal constitution, but rather on the way it functions, or the role it plays, in the system of which it is a part。  Functionalism is a theoretical level between the physical implementation and behavioural output.[2] Therefore, it is different from its predecessors of Cartesian dualism (advocating independent mental and physical substances) and Skinnerian behaviourism and physicalism (declaring only physical substances) because it is only concerned with the effective functions of the brain, through its organization or its ‘software programs’