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Phenotypic plasticity, the Baldwin effect, and the speeding up of evolution: the computational roots of an illusion.
J Theor Biol
April 2015
Instituto de Física de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil. Electronic address:
An increasing number of dissident voices claim that the standard neo-Darwinian view of genes as 'leaders' and phenotypes as 'followers' during the process of adaptive evolution should be turned on its head. This idea is older than the rediscovery of Mendel's laws of inheritance, with the turn-of-the-twentieth-century notion eventually labeled as the 'Baldwin effect' as one of the many ways in which the standard neo-Darwinian view can be turned around. A condition for this effect is that environmentally induced variation such as phenotypic plasticity or learning is crucial for the initial establishment of a trait.
View Article and Find Full Text PDFAn investigation of the evolutionary origin of reciprocal communication using simulated autonomous agents.
Biol Cybern
September 2009
ISTC-CNR, Via SanMartino della Battaglia, No. 44, 00185 Rome, Italy.
How does communication originates in a population of originally non-communicating individuals? Providing an answer to this question from a neo-Darwinian epistemological perspective is not a trivial task. The reason is that, for non-communicating agents, the capabilities of emitting signals and responding to them are both adaptively neutral traits if they are not simultaneously present. Research studies based on rather general and theoretically oriented evolutionary simulation models have, so far, demonstrated that at least two different processes can account for the origin of communication.
View Article and Find Full Text PDFCellular "bauplans": evolving unicellular forms by means of Julia sets and Pickover biomorphs.
Biosystems
October 2009
Department of Applied Mathematics, Faculty of Biological Sciences, Complutense University of Madrid, Madrid 28040, Spain.
The universe of cellular forms has received scarce attention by mainstream neo-Darwinian views. The possibility that a fundamental trait of biological order may consist upon, or be guided by, developmental processes not completely amenable to natural selection was more akin to previous epochs of biological thought, i.e.
View Article and Find Full Text PDFNatural selection in relation to complexity.
Artif Life
November 2008
City University of New York, NY, USA.
Structural complexity characterizes our representations of dissipative structures. As a mechanistic concept, when referred to natural systems it generates perplexity in the face of logically sound models. Natural selection is a simple mechanistic concept, whose logic is well exemplified in genetic algorithms.
View Article and Find Full Text PDFEvolving agents as a metaphor for the developing child.
Dev Sci
April 2004
Department of Psychology, Southern Illinois University Carbondale, 62901, USA.
The emerging field of Evolutionary Computation (EC), inspired by neo-Darwinian principles (e.g. natural selection, mutation, etc.
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