Modeling repetitive behavior

Mark Liberman, Language Log, May 15, 2015
Commentary by Stephen Downes
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Admittedly, citing this post is a bit of semantic cherry-picking, but I'll do it anyways. The lesson here is that if you add 'memory' to an otherwise random process, you an create complex behaviours. The 'memory' can be very limited - in this case, the author suggests it's "the bird is getting tired". Why is this important? It's because it shows a way very simple processes can lead to very complex behaviours, and "some of the constructs of 1960s-era formal language theory, such as the Chomsky-Schützenberger hierarchy, can be a source of confusion rather than insight when applied to simple patterns generated by simple and biologically-plausible mechanisms."

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