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The Allure of Machinic Life: Cybernetics, Artificial Life, and the New AI PDF

477 Pages·2008·4.52 MB·English
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computer science/artificial intelligence John Johnston is Professor of English and Comparative Litera- “ John Johnston is to be applauded for his engaging and eminently readable assessment of the J The Allure of Machinic Life ture at Emory University in Atlanta. He is the author of Carnival new, interdisciplinary sciences aimed at designing and building complex, lifelike, intelligent o h of Repetition and Information Multiplicity. machines. Cybernetics, information theory, chaos theory, artificial life, autopoiesis, connection- Cybernetics, Artificial Life, and the New AI n ism, embodied autonomous agents—it’s all here!” s t John Johnston —Mark Bedau, Professor of Philosophy and Humanities, Reed College, and Editor-in-Chief, o The Allure of Machinic Life Artificial Life n Cover image: Of related interest In The Allure of Machinic Life, John Johnston examines new Joseph Nechvatal, ignudiO gustO majOr, computer-robotic-assisted acrylic on Cybernetics, Artificial Life, and the New AI forms of nascent life that emerge through technical inter- canvas, 66” x 120”. Photo courtesy Galerie Jean-Luc & Takako Richard. © 2003 Joseph Nechvatal. How the Body Shapes the Way We Think actions within human-constructed environments —“machinic A New View of Intelligence life” —in the sciences of cybernetics, artificial life, and artificial Rolf Pfeifer and Josh Bongard intelligence. With the development of such research initiatives T How could the body influence our thinking when it seems obvious that the brain controls the h as the evolution of digital organisms, computer immune sys- body? In How the Body Shapes the Way We Think, Rolf Pfeifer and Josh Bongard demon- e tems, artificial protocells, evolutionary robotics, and swarm strate that thought is not independent of the body but is tightly constrained, and at the same A systems, Johnston argues, machinic life has achieved a com- time enabled, by it. They argue that the kinds of thoughts we are capable of have their foun- l plexity and autonomy worthy of study in its own right. l dation in our embodiment—in our morphology and the material properties of our bodies. u Drawing on the publications of scientists as well as a r range of work in contemporary philosophy and cultural theory, e What Is Thought? but always with the primary focus on the “objects at hand” — o Eric B. Baum f the machines, programs, and processes that constitute ma- chinic life—Johnston shows how they come about, how they In What Is Thought? Eric Baum proposes a computational explanation of thought. Just as M operate, and how they are already changing. This under- Erwin Schrödinger in his classic 1944 work What Is Life? argued ten years before the dis- a c standing is a necessary first step, he further argues, that covery of DNA that life must be explainable at a fundamental level by physics and chemistry, h must precede speculation about the meaning and cultural Baum contends that the present-day inability of computer science to explain thought and i n implications of these new forms of life. meaning is no reason to doubt that there can be such an explanation. Baum argues that the i c Developing the concept of the “computational assem- complexity of mind is the outcome of evolution, which has built thought processes that act blage” (a machine and its associated discourse) as a frame- unlike the standard algorithms of computer science, and that to understand the mind we L i work to identify both resemblances and differences in form need to understand these thought processes and the evolutionary process that produced f e and function, Johnston offers a conceptual history of each of them in computational terms. the three sciences. He considers the new theory of machines proposed by cybernetics from several perspectives, includ- ing Lacanian psychoanalysis and “machinic philosophy.” He A Bradford Book The MIT Press Massachusetts Institute of Technology Cambridge, Massachusetts 02142 http://mitpress.mit.edu examines the history of the new science of artificial life and its relation to theories of evolution, emergence, and complex adaptive systems (as illustrated by a series of experiments carried out on various software platforms). He describes the history of artificial intelligence as a series of unfolding con- John Johnston ceptual conflicts—decodings and recodings—leading to a “new AI” that is strongly influenced by artificial life. Finally, in examining the role played by neuroscience in several con- temporary research initiatives, he shows how further success 978-0-262-10126-4 in the building of intelligent machines will most likely result from progress in our understanding of how the human brain actually works. The Allure of Machinic Life http://avaxhome.ws/blogs/ChrisRedfield THE ALLURE OF MACHINIC LIFE Cybernetics,Artificial Life, and the New AI John Johnston ABradfordBook TheMITPress Cambridge,Massachusetts London,England 62008MassachusettsInstituteofTechnology Allrightsreserved.Nopartofthisbookmaybereproducedinanyformbyanyelectronicor mechanicalmeans(includingphotocopying,recording,orinformationstorageandretrieval) withoutpermissioninwritingfromthepublisher. For information about special quantity discounts, please email [email protected] .edu This book was set in Times New Roman and Syntax on 3B2 by Asco Typesetters, Hong Kong. PrintedandboundintheUnitedStatesofAmerica. LibraryofCongressCataloging-in-PublicationData Johnston,JohnHarvey,1947– Theallureofmachiniclife:cybernetics,artificiallife,andthenewAI/JohnJohnston p. cm. Includesbibliographicalreferencesandindex. ISBN978-0-262-10126-4(hardcover:alk.paper) 1.Cybernetics. 2.Artificiallife. 3.Artificialintelligence. I.Title. Q310.J65 2008 0030.5—dc22 2008005358 10 9 8 7 6 5 4 3 2 1 For Heidi Contents Preface ix Introduction 1 I FROMCYBERNETICSTOMACHINICPHILOSOPHY 23 1 CyberneticsandtheNewComplexityofMachines 25 2 TheIn-MixingofMachines:CyberneticsandPsychoanalysis 65 3 MachinicPhilosophy:Assemblages,Information,ChaoticFlow 105 II MACHINICLIFE 163 4 VitalCells:CellularAutomata,ArtificialLife,Autopoiesis 165 5 DigitalEvolutionandtheEmergenceofComplexity 215 III MACHINICINTELLIGENCE 275 6 TheDecodedCouple:ArtificialIntelligenceandCognitiveScience 277 7 TheNewAI:Behavior-BasedRobotics,AutonomousAgents,and ArtificialEvolution 337 8 LearningfromNeuroscience:NewProspectsforBuildingIntelligent Machines 385 Notes 415 Index 453 Preface Thisbookexploresasingletopic:thecreationofnewformsof‘‘machinic life’’ in cybernetics, artificial life (ALife), and artificial intelligence (AI). By machinic life I mean the forms of nascent life that have been made to emerge in and through technical interactions in human-constructed envi- ronments. Thus the webs of connection that sustain machinic life are material (or virtual) but not directly of the natural world. Although au- tomata such as the eighteenth-century clockwork dolls and other figures can be seen as precursors, the first forms of machinic life appeared in the ‘‘lifelike’’ machines of the cyberneticists and in the early programs and robotsofAI.Machiniclife,unlike earliermechanicalforms,hasacapac- ity to alter itself and to respond dynamicallyto changing situations. More sophisticated forms of machinic life appear in the late 1980s and 1990s, with computer simulations of evolving digital organisms and the construction of mobile, autonomous robots. The emergence of ALife as a scientific discipline—which o‰cially dates from the conference on ‘‘the synthesisandsimulationoflivingsystems’’in1987organizedbyChristo- pher Langton—and the growing body of theoretical writings and new research initiatives devoted to autonomous agents, computer immune systems, artificial protocells, evolutionary robotics, and swarm systems have given the development of machinic life further momentum, solidity, and variety. These developments make it increasingly clear that while machinic life may have begun in the mimicking of the forms and pro- cesses of natural organic life, it has achieved a complexity and autonomy worthyof study inits own right. Indeed, this is mychief argument. While excellent books and articles devoted to these topics abound, there has been no attempt to consider them within a single, overarching theoretical framework. The challenge is to do so while respecting the very significant historical, conceptual, scientific, and technical di¤erences inthismaterialandthediverseperspectivestheygiveriseto.Tomeetthis

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In The Allure of Machinic Life, John Johnston examines new forms of nascent life that emerge through technical interactions within human-constructed environments--''machinic life''--in the sciences of cybernetics, artificial life, and artificial intelligence. With the development of such research in
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