GDC3 comments on The Fabric of Real Things - Less Wrong

16 Post author: Eliezer_Yudkowsky 12 October 2012 02:11AM

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Comment author: Eliezer_Yudkowsky 10 October 2012 05:50:38AM 2 points [-]

Koan 2:

"Does your rule there forbid epiphenomenalist theories of consciousness - that consciousness is caused by neurons, but doesn't affect those neurons in turn? The classic argument for epiphenomenal consciousness has always been that we can imagine a universe in which all the atoms are in the same place and people behave exactly the same way, but there's nobody home - no awareness, no consciousness, inside the brain. The usual effect of the brain generating consciousness is missing, but consciousness doesn't cause anything else in turn - it's just a passive awareness - and so from the outside the universe looks the same. Now, I'm not so much interested in whether you think epiphenomenal theories of consciousness are true or false - rather, I want to know if you think they're impossible or meaningless a priori based on your rules."

How would you reply?

Comment author: GDC3 13 October 2012 05:29:01PM 1 point [-]

It doesn't rule it out. Unless you're directly observing those epiphenominal nodes, Occam's razor heavily decreases the likelihood of such models though, because they make the same predictions with more nodes.