The Environments of Our Hominin Ancestors, Tool-usage, and Scenario Visualization |
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Authors: | R Arp |
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Institution: | (1) Department of Philosophy, Saint Louis University, 3800 Lindell Blvd, P.O. Box 56907, St. Louis, MO 63156-0907, USA |
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Abstract: | In this paper, I give an account of how our hominin ancestors evolved a conscious ability I call scenario visualization that enabled them to manufacture novel tools so as to survive and flourish in the ever-changing and complex environments
in which they lived. I first present the ideas and arguments put forward by evolutionary psychologists that the mind evolved
certain mental capacities as adaptive responses to environmental pressures. Specifically, Steven Mithen thinks that the mind
has evolved cognitive fluidity, viz., an ability to exchange information flexibly between and among mental modules. Showing the deficiency in Mithen’s view,
I then argue that the flexible exchange of information between and among modules together with scenario visualization is what explains the ability to construct the novel tools needed to survive and flourish in the environments
in which our hominin ancestors resided. Finally, I trace the development of the multi-purposed javelin, from its meager beginnings
as a stick, in order to illustrate scenario visualization in novel tool manufacturing. |
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Keywords: | Cognitive fluidity Consciousness Cosmides Evolutionary psychology Integration Mithen Scenario visualization Segregation Tooby Tool-usage |
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