There Is No Success Or Failure In

Dualism Makes The Problem Insoluble; Materialism Denies The Existence Of Any Phenomenon To Study, And Hence Of Any Problem.

How Do We Get From Electrons To Elections And From Protons To Presidents?

Because We Do Not Understand The Brain Very Well We Are Constantly Tempted To Use The Latest Technology As A Model For Trying To Understand It. In My Childhood We Were Always Assured That The Brain Was A Telephone Switchboard...sherrington, The Great British Neuroscientist, Thought The Brain Worked Like A Telegraph System. Freud Often Compared The Brain To Hydraulic And Electromagnetic Systems. Leibniz Compared It To A Mill...at Present, Obviously, The Metaphor Is The Digital Computer.

You Can't *discover* That The Brain Is A Digital Computer. You Can Only *interpret* The Brain As A Digital Computer.

In Many Cases It Is A Matter For Decision And Not A Simple Matter Of Fact Whether X Understands Y; And So On.