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This book carries out an epistemological analysis of the decision, including a critical analysis through the continuous reference to an interdisciplinary approach including a synthesis of philosophical approaches, biology and neuroscience. Besides this it represents the analysis of causality here seen not from the formal point of view, but from the "embodied" point of view. _

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Preface.- Introduction.- Part 1 Rationality and neuroeconomics.- 1. Neoclassical economics and utilities.- 2. Experimental economics.- 3. Neuroeconomics and causality.- 4. Doubts, feasibility and future of neuroeconomics.- Part 2 Biological approaches.- 1. The Biology and the economy.- 2. Economic progress and evolutionism.- 3. The computational methods and the engineering approach 4. Complexity.- Part 3.- 1. Game theory and economic decisions.- 2. Game theory and neuroscience 3. The role of social cognition. _

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