The Theoretical Foundations of Evolutionary Psychology
3GC01 06/09/2015 12:40:42 Page 3 Tooby, J. & Cosmides, L. (2015). The theoretical foundations of evolutionary psychology. In Buss, D. M. (Ed.), The Handbook of Evolutionary Psychology, Second edition. Volume 1: Foundations. (pp. 3-87). Hoboken, NJ: John Wiley & Sons. CHAPTER 1 The Theoretical Foundations of Evolutionary Psychology JOHN TOOBY and LEDA COSMIDES THE EMERGENCE OF EVOLUTIONARY PSYCHOLOGY: WHAT IS AT STAKE? HE THEORY OF evolution by natural selection has revolutionary implications for understanding the design of the human mind and brain, as Darwin himself was Tthe first to recognize (Darwin, 1859). Indeed, a principled understanding of the network of causation that built the functional architecture of the human species offers the possibility of transforming the study of humanity into a natural science capable of precision and rapid progress. Yet, more than a century and a half after The Origin of Species was published, many of the psychological, social, and behavioral sciences continue to be grounded on assumptions that evolutionarily informed researchers know to be false; the rest have only in the past few decades set to work on the radical reformulations of their disciplines necessary to make them consistent with findings in the evolutionary sciences, information theory, computer science, physics, the neuro- sciences, molecular and cellular biology, genetics, behavioral ecology, hunter-gatherer studies, biological anthropology, primatology, and so on (Pinker, 1997, 2002; Tooby & Cosmides, 1992). Evolutionary psychology is the long-forestalled scientific attempt to assemble out of the disjointed, fragmentary, and mutually contradictory human disciplines a single, logically integrated research framework for the psychological, social, and behavioral sciences—a framework that not only incorporates the evolu- tionary sciences and information theory on a full and equal basis, but that systemati- cally works out all the revisions in existing belief and research practice that such a synthesis requires (Tooby & Cosmides, 1992).
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