Wednesday, May 28, 2008

Substance Dualism

Dinesh D'Souza offers us a concise introduction to the mind/body controversy in this essay. He begins with this:

Conventional wisdom holds that the human mind is nothing more than the human brain. This belief derives from materialism. By "materialism" I don't mean the mania to shop unceasingly at the mall. Rather, I mean the philosophy that material reality is all that there is. Immaterial or spiritual realities are, in this view, simply epiphenomena of the material world.

We find the materialist view ably expressed in Francis Crick's The Astonishing Hypothesis. What Crick finds astonishing is that our thoughts, emotions and feelings consist entirely in the physiological activity in the circuitry of the brain. Daniel Dennett argues that "mind" is simply a term for what the brain does. And how do we know that the brain and the mind are essentially the same? The best evidence is that when the brain is damaged, the injury affects the mind. Patients whose brains atrophy due to stroke, for instance, lose their ability to distinguish colors or to empathize with others.

But in his book The Spiritual Brain, neuroscientist Mario Beauregard shows why the Crick-Dennett position is based on a fallacy. Yes, the brain is the necessary locus or venue for the mind to operate. It does not follow that the two are the same. Beauregard gives a telling analogy. "Olympic swimming events require an Olympic class swimming pool. But the pool does not create the Olympic events; it makes them feasible at a given location." Far from being identical to the mind, Beauregard argues that the brain "is an organ suitable for connecting the mind to the rest of the universe."

The book he refers to by Mario Beauregard, The Spiritual Brain, makes an excellent case for what is called substance dualism, the view that in addition to our material body we also possess a mind that is not reducible to matter. The book, co-written with Denyse O'Leary, plods in places but overall the two authors make a powerful case that materialism is simply wrong.

Thanks to Justin for passing the article along.

RLC