David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jack Alan Reynolds
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Philosophical Psychology 21 (3):305 – 319 (2008)
The dichotomy between Nature and Nurture, which has been dismantled within the framework of development, remains embodied in the notions of plasticity and evolvability. We argue that plasticity and evolvability, like development and heredity, are neither dichotomous nor distinct: the very same mechanisms may be involved in both, and the research perspective chosen depends to a large extent on the type of problem being explored and the kinds of questions being asked. Epigenetic inheritance leads to transgenerationally extended plasticity, and developmentally-induced heritable epigenetic variations provide additional foci for selection that can lead to evolutionary change. Moreover, hereditary innovations may result from developmentally induced large-scale genomic repatterning events, which are akin to Goldschmidtian “systemic mutations”. The epigenetic mechanisms involved in repatterning can be activated by both environmental and genomic stress, and lead to phylogenetic as well as ontogenetic changes. Hence, the effects and the mechanisms of plasticity directly contribute to evolvability.
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References found in this work BETA
Eva Jablonka, Marion J. Lamb & Anna Zeligowski (2006). Evolution in Four Dimensions: Genetic, Epigenetic, Behavioral, and Symbolic Variation in the History of Life. A Bradford Book.
Richard C. Lewontin (2000). The Triple Helix: Gene, Organism, and Environment. Harvard University Press.
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Eva Jablonka & Marion Lamb (2000). Epigenetic Inheritance and Evolution: The Lamarckian Dimension. Oxford University Press Uk.
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Citations of this work BETA
Karola Stotz (2010). Human Nature and Cognitive–Developmental Niche Construction. Phenomenology and the Cognitive Sciences 9 (4):483-501.
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