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Shadows of the Mind: Search for the Missing Science of Consciousness
 
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Shadows of the Mind: Search for the Missing Science of Consciousness (Hardcover)
by Roger Penrose (Author)
5.0 out of 5 stars  (1 customer review)

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The motivation for this book arose, in part, from a need for detailed replies to a number of queries and criticisms from readers of the author's previous book, The Emperor's New Mind , many of whom have gone to extraordinary lengths to avoid the conclusion that there must be something non-computational involved in thinking. Penrose searches for a means, within the constraints of the hard facts of science, whereby a scientifically describable brain might be able to perform the needed non-computational actions. He develops the argument of how quantum effects might have a fundamental relevance to consciousness and to non-computable brain action. Some of the more startling implications of this are based on new scientific information which is discussed in detail, leading to one of the most extraordinary and fundamental implications of quantum theory: quantum entanglement, the process by which the behaviour of `classically' described systems is explicable only in quantum mechanical terms. There is a thorough examination of the implications of G "odel's theorem maintaining that conscious thinking must indeed involve ingredients that cannot adequately be simulated by mere computation.

No prior knowledge of quantum theory on the part of the reader is assumed. This book is intended for the general reader; physicists, computer scientists, philosophers, etc.

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1 of 1 people found the following review helpful:
5.0 out of 5 stars The search for consciousness; Erudite, Promethean, 4 Jun 2001
Penrose's book expels the myths surrounding artificial intelligence and in doing so also reveals a great deal of physics to the layman. He gives an expose of the twin pillars of modern theoretical physics, namely quantum theory and relativity and uses this scientific knowledge to justify his views on the nature of consciousness. A sequel to his previous book "The Emperor's New Mind", Penrose covers subjects as diverse as superstring theory and brain neurology, in an attempt to justify his conviction that algorithmic computers cannot truly achieve artificial intelligence or consciousness. Along the way, "Shadows of the Mind" also offers tentative suggestions for the way forward in fundamental physics and much of its contents would therefore be of interest to students of the subject.
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