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Classification

Phi C 91 / Bewußtsein

SBB

Phi C 91 / Bewußtsein

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Abstract

What is consciousness? How do physical processes in the brain give rise to the self-aware mind and to feelings as profoundly varied as love or hate, aesthetic pleasure or spiritual yearning? These questions today are among the most hotly debated issues among scientists and philosophers, and we have seen in recent years superb volumes by such eminent figures as Francis Crick, Daniel C. Dennett, Gerald Edelman, and Roger Penrose, all firing volleys in what has come to be called the consciousness wars. Now, in The Conscious Mind, philosopher David J. Chalmers offers a cogent analysis of this heated debate as he unveils a major new theory of consciousness, one that rejects the prevailing reductionist trend of science, while offering provocative insights into the relationship between mind and brain. Writing in a rigorous, thought-provoking style, the author takes us on a far-reaching tour through the philosophical ramifications of consciousness. Chalmers convincingly reveals how contemporary cognitive science and neurobiology have failed to explain how and why mental events emerge from physiological occurrences in the brain. He proposes instead that conscious experience must be understood in an entirely new light--as an irreducible entity (similar to such physical properties as time, mass, and space) that exists at a fundamental level and cannot be understood as the sum of its parts. And after suggesting some intriguing possibilities about the structure and laws of conscious experience, he details how his unique reinterpretation of the mind could be the focus of a new science. Throughout the book, Chalmers provides fascinating thought experiments that trenchantly illustrate his ideas. For example, in exploring the notion that consciousness could be experienced by machines as well as humans, Chalmers asks us to imagine a thinking brain in which neurons are slowly replaced by silicon chips that precisely duplicate their functions--as the neurons are replaced, will consciousness gradually fade away? The book also features thoughtful discussions of how the author's theories might be practically applied to subjects as diverse as artificial intelligence and the interpretation of quantum mechanics.

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Abstract

John Dupre warns that our understanding of human nature is being distorted by two faulty and harmful forms of pseudo-scientific thinking. Not just in the academic world but increasingly in everyday life, we find one set of experts seeking to explain the ends at which humans aim in terms of evolutionary theory, and another set of experts using economic models to give rules of how we act to achieve those ends. Dupre charges this unholy alliance of evolutionary psychologists and rational-choice theorists with scientific imperialism: they use methods and ideas developed for one domain of inquiry in others where they are inappropriate. He demonstrates that these theorists' explanations do not work, and furthermore that if taken seriously their theories tend to have dangerous social and political consequences. For these reasons, it is important to resist scientism - an exaggerated conception of what science can be expected to do for us. To say this is in no way to be against science - just against bad science. Dupre restores sanity to the study of human nature by pointing the way to a proper understanding of humans in the societies that are our natural and necessary environments.He shows how our distinctively human capacities are shaped by the social contexts in which we are embedded. And he concludes with a bold challenge to one of the intellectual touchstones of modern science: the idea of the universe as causally complete and deterministic. In an impressive rehabilitation of the idea of free human agency, he argues that far from being helpless cogs in a mechanistic universe, humans are rare concentrations of causal power in a largely indeterministic world. Human Nature and the Limits of Science is a provocative, witty, and persuasive corrective to scientism. In its place, Dupre commends a pluralistic approach to science, as the appropriate way to investigate a universe that is not unified in form. Anyone interested in science and human nature will enjoy this book, unless they are its targets. Dupre writes with considerable grace and economy...this book works very well indeed as a critique of the presumptions of two simplistic projects that wield undo influence on our conception of us. This critique alone is worth the price of the book. Richard C. Francis, Biology and Philosophy 'excellent, clear, and helpful' His [Dupre's] criticisms are well made ... His approach is certainly interesting and deserving of both scrutiny and elaboration ... Dupre ends with the wonderful suggestion that his view leaves a role for philosophy as providing a "synoptic and integrative vision", and so moving "from underlabourer to Queen of the Sciences" The Philosophers' Magazine