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Open AccessArticle

Morphological Computation: Nothing but Physical Computation

Institute of Philosophy and Sociology of the Polish Academy of Sciences, ul. Nowy Świat 72, 00-330 Warszawa, Poland
Entropy 2018, 20(12), 942;
Received: 2 November 2018 / Revised: 29 November 2018 / Accepted: 5 December 2018 / Published: 7 December 2018
The purpose of this paper is to argue against the claim that morphological computation is substantially different from other kinds of physical computation. I show that some (but not all) purported cases of morphological computation do not count as specifically computational, and that those that do are solely physical computational systems. These latter cases are not, however, specific enough: all computational systems, not only morphological ones, may (and sometimes should) be studied in various ways, including their energy efficiency, cost, reliability, and durability. Second, I critically analyze the notion of “offloading” computation to the morphology of an agent or robot, by showing that, literally, computation is sometimes not offloaded but simply avoided. Third, I point out that while the morphology of any agent is indicative of the environment that it is adapted to, or informative about that environment, it does not follow that every agent has access to its morphology as the model of its environment. View Full-Text
Keywords: morphological computation; offloading; adaptivity; physical computation; computational modeling; free-energy principle morphological computation; offloading; adaptivity; physical computation; computational modeling; free-energy principle
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Miłkowski, M. Morphological Computation: Nothing but Physical Computation. Entropy 2018, 20, 942.

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