"What embitters the world is not excess of criticism, but an absence of self-criticism." - G.K. Chesterton

Saturday, January 27, 2007

Meat robots

I'm turning off comments on this post, as the debate is currently taking place across about three different threads already (taking in morality, free will and the existence of God - boy, do we like to make life difficult for ourselves!). It's really no more than a look-this-is-quite-interesting post anyway.

The following is from an article about consciousness by Steven Pinker in Time magazine. His argument is that mind/body distinction is a fallacy, and that thought, feelings and experience are no more than physical processes. The whole thing is worth reading, but I thought I'd quote the end comments he makes:

"...the biology of consciousness offers a sounder basis for morality than the unprovable dogma of an immortal soul. It's not just that an understanding of the physiology of consciousness will reduce human suffering through new treatments for pain and depression. That understanding can also force us to recognize the interests of other beings--the core of morality.

As every student in Philosophy 101 learns, nothing can force me to believe that anyone except me is conscious. This power to deny that other people have feelings is not just an academic exercise but an all-too-common vice, as we see in the long history of human cruelty. Yet once we realize that our own consciousness is a product of our brains and that other people have brains like ours, a denial of other people's sentience becomes ludicrous. "Hath not a Jew eyes?" asked Shylock. Today the question is more pointed: Hath not a Jew--or an Arab, or an African, or a baby, or a dog--a cerebral cortex and a thalamus? The undeniable fact that we are all made of the same neural flesh makes it impossible to deny our common capacity to suffer.

And when you think about it, the doctrine of a life-to-come is not such an uplifting idea after all because it necessarily devalues life on earth. Just remember the most famous people in recent memory who acted in expectation of a reward in the hereafter: the conspirators who hijacked the airliners on 9/11.

Think, too, about why we sometimes remind ourselves that "life is short." It is an impetus to extend a gesture of affection to a loved one, to bury the hatchet in a pointless dispute, to use time productively rather than squander it. I would argue that nothing gives life more purpose than the realization that every moment of consciousness is a precious and fragile gift."

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