Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!ut-emx!churchh From: churchh@ut-emx.UUCP (Henry Churchyard) Newsgroups: comp.ai Subject: Re: Hayes vs. Searle Summary: what about Penrose book? Message-ID: <31624@ut-emx.UUCP> Date: 14 Jun 90 05:54:37 GMT References: <16875@phoenix.Princeton.EDU> <2629@skye.ed.ac.uk> <3204@se-sd.SanDiego.NCR.COM> Organization: The University of Texas at Austin, Austin, Texas Lines: 19 In article <3204@se-sd.SanDiego.NCR.COM> Jim Ruehlin writes: >According to Searle in the Chinese Room paper, the difference is that >human brain tissue has some "magical" (my word) quality that provides for >intelligence/understanding/causitive powers, while mere silicon doesn't. >It seems to me that this is the real point of his paper - brain mass is >different from silicon mass in some fundamental way. There's some >molecular/atomic/?? quality or structure that makes brain mass causitive >and silicon not. He may not have intended this, but thats what it comes >down to, and it seems patently silly. There was no evidence for this when >he wrote his paper, and there still isn't. What about the Penrose book (_The_Emperor's_New_Mind_, 1989), where he argues that brain tissue might be different because of quantum mechanical effects. I'm not saying that this position is necessarily correct, but the argument has been seriously made. --Henry Churchyard