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A new theory about the origins of consciousness that finds learning to be the driving force in the evolutionary transition to basic consciousness.
What marked the evolutionary transition from organisms that lacked consciousness to those with consciousness – to minimal subjective experiencing, or, as Aristotle described it, "the sensitive soul"? In The Evolution of the Sensitive Soul, Simona Ginsburg and Eva Jablonka propose a new theory about the origin of consciousness that finds learning to be the driving force in the transition to basic consciousness. Using a methodology similar to that used by scientists when they identified the transition from non-life to life, Ginsburg and Jablonka suggest a set of criteria, identify a marker for the transition to minimal consciousness, and explore the far-reaching biological, psychological, and philosophical implications.
After presenting the historical, neurobiological, and philosophical foundations of their analysis, Ginsburg and Jablonka propose that the evolutionary marker of basic or minimal consciousness is a complex form of associative learning, which they term unlimited associative learning (UAL). UAL enables an organism to ascribe motivational value to a novel, compound, non-reflex-inducing stimulus or action, and use it as the basis for future learning. Associative learning, Ginsburg and Jablonka argue, drove the Cambrian explosion and its massive diversification of organisms. Finally, Ginsburg and Jablonka propose symbolic language as a similar type of marker for the evolutionary transition to human rationality – to Aristotle's "rational soul".
Simona Ginsburg is Associate Professor in the Department of Natural Sciences, retired from the Open University of Israel.
Eva Jablonka is Professor at Tel-Aviv University. She is the coauthor of Evolution in Four Dimensions: Genetic, Epigenetic, Behavioral, and Symbolic Variation in the History of Life and the coeditor of Transformations of Lamarckism: From Subtle Fluids to Molecular Biology, both published by the MIT Press.
