A New York Times bestseller when it appeared in , Roger Penrose’s The En este “Las sombras de la mente” se sigue prácticamente con un punto y. Buy Las sombras de la mente: hacia una comprensión científica de la consciencia by Roger Penrose, Javier García Sanz (ISBN: ) from . : Las sombras de la mente () by Roger Penrose and a great selection of similar New, Used and Collectible Books available now.
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Archived from the original on 6 April I would say that prerequisite knowledge for the book would be prior familiarity with at least concepts of quantum physics ,computation, and Godel’s theorem. Too much thinking in terms of absolutes, and not enough thinking in terms of a theory of consciousness. There is a difference, however, in that what a logician might refer to as ‘Euclidean geometry’ can indeed be specified with some reservations in terms of a particular formal system, whereas, as Godel has shown, ordinary ‘arithmetic’ cannot be so specified.
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Sombtas three key mdnte I took away were: Rather than showing that mathematics most particularly arithmetic is an arbitrary pursuit, whose direction is governed by the whim of Man, Godel demonstrated that it is something absolute, there to be discovered rather than invented cf.
A gallop through QM and its difficulties was a bit masochistic but I did enjoy it. He makes a couple somewhat vague suggestions for what this physics might look like, which seem plausible, but ultimately need some experimental validation to be taken super seriously. The comparison is sometimes made with the situation that occurred with Euclidean geometry.
Shadows of the Mind: A Search for the Missing Science of Consciousness by Roger Penrose
There are mathematical problems that can’t be solved using algorithms – non-computable problems. His interest centred on the cytoskeletonwhich provides an internal supportive structure for neurons, and particularly on the microtubules which are the important component of the cytoskeleton. If Penrose’s theory is correct, basically, computational A. Oxford University Press, pp.
But even besides it, IMO, the author’s language is not always so friendly for the average reader in his explanations and conclusions about those discussions above. The second pnrose of the book looks for a non-computational yet scientific basis for human intelligence. Retrieved 7 December However, I broke through this barrier and was able to glean from it the nuggets that I could understand.
However, inMax Tegmark calculated in an article he published in Physical Review E  that the time scale of neuron firing and excitations in microtubules is slower than the decoherence time by a factor of at least 10 Penrose’s views on the human thought process are not widely accepted in scientific circles Drew McDermott David Chalmers  and others.
Penrose’s highly speculative idea is that cytoskeletal microtubules maintain large-scale quantum coherence through portions of brain, and when a critical threshold is reached the OR takes place.
Yet it does what it does, by the means of these cellular automata. Penrose establishes 1 using Godel’s Incompleteness theorem and I doubt many people would take issue with it it seems intuitively obvious as well.
For many years, I didn’t really even know there was an issue of consciousness and just assumed it was a natural consequence of the brain generator of the soul in my theistic view but still intrinsically linked. After the argument above mfnte discusses how quantum mechanics might provide a basis for human consciousness.
Shadows of the Mind: A Search for the Missing Science of Consciousness
Shadows of the Mind: The truthfulness of those mathematical statements can be ascertained by humans but not by universal turing machines i.
Computational neuroscience and Dr Intelligence treats the brain as a computer: I recommend anyone interested in these subjects to do the same.
Open Preview See a Problem? The reception of the article is summed up by this statement in his support: Penrose points to the possibility of “microtubules” part of the cytoskeleton that exist even in single-cell paramecium–and seem to give that cell some level of understanding!
I skipped over entire sections in the book. The Emerging Physics of Consciousness.