Posted by: Xhyra Graf | 19 January 2007

Model 20

The Darwinian Model

One of the non-linear model types is natural selection, the most creative process in the known universe, the one that invented human beings.

The simplest form of this model is the four operators–variation, combination, selection, and reproduction. They capture a great deal of how natural selection works. Of course, elaborations of each and all of these is possible. The subtlest dynamics of real world natural selection–neutral drift, levels of mutation and selection, and so forth–can be included in such models (Langton et al, 1992; Simonton, 1999; Holland, 1995, 1998; Jacob, 2001; Kenrick, 2001). Certainly, natural selection, as the most creative single process known, deserves serious treatment as a model of more general creativity. The problem is, what parts of real world animal-type natural selection to include and to exclude. Simonton at Harvard tried including truly random variation (mutation) in his model of all creativity inside human minds as natural selection among ideas. Yet there is much evidence that non-random variant generation plays a major role in nearly all human creativity. Neurophysiologists invented models of thoughts competing inside brains in a natural selection process among neural “hexagon” areas. It is hard toknow what to include and what to exclude in these models or how far to take them.



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