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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Sep 22, Yubal Masalker rated it really liked it. Likewise, it is often argued, Godel showed that arithmetic, also, is a matter of arbitrary choice, any one set of consistent axioms being as good as any other. Was it the knowledge that there is a type of water in these structures which is considered a necessary element for cancelling the interference that would null the necessary conditions for penrosse coherence to take effect? Under special circumstances, which microtubules are suitable for, the separation of spacetime geometry of the superpositioned states i.

Penrose proposes that quantum mechanics are at the heart of human consciousness, and the human reality. Godel showed that no system of ‘man-made’ rules can, by themselves, achieve this for us.

We wouldn’t be able to grasp the mathematical concepts and to formalize new concepts if our brains and consciousness would be confined by those theorems’ constraints. Penrose argues then, that there’s a deeper level of information processing in the brain, deeper than neural networks.

The author’s stand, that we need new physics to understand the science of consciousnessand that this new physics he believes required is quantum physics, seems more his personal intuition read delusion if you like! Still very interesting reading. Nov pehrose, Jimmy Ele rated it really liked it Shelves: It’s also why I am not going to try to convince you of the argument’s validity in this dinky little review.

Shadows of the Mind: A Search for the Missing Science of Consciousness

As far as microtubules — clearly highly speculative but Penrose says so himself at the outset, so I suppose you can take it or leave it.

The argument runs as follows. Hameroff’s group also suggested that the Debye layer of counterions could screen thermal fluctuations, and that the surrounding actin gel might enhance the ordering of water, further screening noise.

I obviously can’t do it justice in a short review but the basic line seems to be 1 “Human mathematicians ;enrose not using a knowably sound algorithm in order to ascertain mathematical truth. These conformational states can interact with metne states to represent, propagate and process information.


But I do feel that Penrose has done a good job in conveying the gist of things, and can be sensitive to readers’ different backgrounds sometimes suggesting an Consciousness seems to be one of the deepest and intriguing mysteries on the frontier of science today, and there isn’t dee more than speculation on the subject.

Paperbackpages. 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.

Penrose is stronger in his own backyard, when he describes objective reduction and comments on what has been known as the “Von Neumann measurement problem” of Quantum Theory. We may choose, if we wish, to explore the properties of formal systems, and this is certainly a valuable part of mathematical endeavour. The author asserts that our brains operate by rules which require consideration of new Physics, particularly the Quantum Physics, in order to explain the rise of consciousness out of the brain.

Oxford University Press, pp. The Emperor’s New Mind. And in the brain this non-computational process takes place not among the neurons themselves but in cytoskeleton microtubules within neurons. 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.

Dec 07, Jason Hoskins rated it it was amazing. Of particular interest is Penrose’s extensive examination of quantum mechanics, which introduces some new ideas that differ markedly from those advanced in The Emperor’s NewMind, especially concerning the mysterious interface where classical and quantum physics meet.

Roger Penrose

The author is a physicist after all so the language is not always simplified but his ideas to a large extent come through. This is not a religious argument that the mind is something other than physical nor is it based on the brain’s vast complexity the weather is immensely complex, says Penrose, but it is still a computable thing, at least in theory.

Penrose basically assumes his readers are familiar with not only quantum physics, his previous work, computation, but also problems of free will.

Overall, I found his ideas fascinating, and I hope that the experimental evidence shows him to be right, at least on the foundational premises of his theories. Much of this book was a bit too hard on the mathematics for a grade C GCSE underachiever like myself, but I persevered and read through much of the smbras.


I would recommend this book to anyone that wants to understand the limitations of mechanized intelligence vs the power of the human mind. There are no discussion topics on this book yet.

Shadows of the Mind – Wikipedia

Feb 25, C. Penrose theorises that the wave function cannot be sustained in superposition beyond a certain energy difference between the quantum states. Sep 02, Ronny rated it liked it Shelves: Then he gives other practical examples from brain cells’ basic structures to show how brains might use the mysterious principles of Quantum Physics to function and to having the abilities which surpass immensely the most advanced digital AI and that any digital AI wouldn’t ever possess them in principle.

Otherwise mebte would simply be machines and we would have no consciousness.

I found so,bras ultimately unsatisfying, although I wonder if it’s just me But the book was very intimidating, even for a computer science graduate. The system must then spontaneously and abruptly collapse to that one state. Penrose believes that consciousness is a manifestation of the quantum cytoskeletal state and its interplay between quantum and classical levels of activity. Works by Roger Penrose. Penrose proposes that a quantum state remains in superposition until the difference in space-time curvature reaches a significant level.

He clearly states that the argument is strong at least for the quality of understanding. Apr 16, Ian Murray-Watson rated it really liked it. As neuroscience has progressed, the role of the cytoskeleton and microtubules has assumed greater importance. The central argument is not as airtight as it should be, being written for a general readership and not for mathematicians, but I’m just in love with the idea of a mathematical proof that the human mind can’t be algorithmic.

If that sounds like Greek to you and you’re not Greek, it basically means consciousness exists as a product of physics rather than biology. As a counter-example, Searle cites the assignment of license emnte numbers LPN to specific vehicle identification numbers VINto register a vehicle.

Penrose offers an original and exciting I found it to be: In response to Tegmark’s claims, Hagan, Tuszynski and Hameroff [15] [16] claimed that Tegmark did not address the Orch-OR model, but instead a model of his own construction.