•  17
    Which Events is the World Made Of?
    Constructivist Foundations 10 (2): 250-252. 2015.
    Open peer commentary on the article “What Can the Global Observer Know?” by Diana Gasparyan. Upshot: While I agree with Gasparyan’s incisive critique of the concept of the “general observer,” her use of the concept of “event” is somewhat ambiguous. On the one hand, she equates “events” to Wittgenstein’s and “configurations of objects” or “states of affairs” and she consider the world as a collection of such states of affairs. On the other hand, she cites Badiou’s work in support of her criticism…Read more
  •  3
    Upshot: The target article suggested that Ashby’s device, the homeostat, embodies and illustrates a conception of life as a passive-contingent phenomenon. It advocated renewed experiments with updated and extended versions of his device that would allow us to understand better what passive-contingent life “would be like.” In assessing the proposal, we should be particularly careful when dealing with the concept of “passivity,” and we should not mistake the proposed theoretical exploration for a …Read more
  •  21
    On Models, Simulations, and the Relevancy of Biochemistry to Cognitive Functions
    Constructivist Foundations 9 (1): 141-142. 2013.
    Open peer commentary on the article “A Cybernetic Computational Model for Learning and Skill Acquisition” by Bernard Scott & Abhinav Bansal. Upshot: Scott and Bansal’s assessment of the limitations of their work relies on a concept of simulation that I find problematic. It assumes that the ultimate goal of a model is a replication of the phenomena it applies, whereas a limited model produces only simulations. I argue that this position leads to unfortunate epistemological results, and it ends up…Read more
  •  23
    Homeostats for the 21st Century? Simulating Ashby Simulating the Brain
    Constructivist Foundations 9 (1): 93-101. 2013.
    Context: W. R. Ashby’s work on homeostasis as the basic mechanism underlying all kinds of physiological as well as cognitive functions has aroused renewed interest in cognitive science and related disciplines. Researchers have successfully incorporated some of Ashby’s technical results, such as ultrastability, into modern frameworks (e.g., CTRNN networks). Problem: The recovery of Ashby’s technical contributions has left in the background Ashby’s far more controversial non-technical views, accor…Read more
  •  13
    Are Computers Digital? Should Constructivists Care?
    Constructivist Foundations 9 (1): 17-19. 2013.
    Open peer commentary on the article “Constructivism and Computation: Can Computer-Based Modeling Add to the Case for Constructivism?” by Manfred Füllsack. Upshot: While I do agree with Füllsack’s positive assessment of the use of computer simulations in advancing constructivism’s program, I am less convinced by the alleged opposition between computers and constructivism he builds up. In my opinion, his depiction of computers and computation is inaccurate in several respects. As a result, the all…Read more
  •  24
    Summary: The aim of this collection is to provide a two-fold access to von Foerster's legacy and his work at the Biological Computer Laboratory, the institution he founded and directed at the University of Illinois at Urbana-Champaign from 1958 to 1976. It represents a precious contribution for the understanding of BCL, a crucial but still not properly understood chapter in the history of cybernetics and, more generally, of cognitive science. It is greatly recommended
  •  19
    Radical Constructivism's Tathandlung, Structure, and Geist
    Constructivist Foundations 7 (1): 17-20. 2011.
    Open peer commentary on the target article “From Objects to Processes: A Proposal to Rewrite Radical Constructivism” by Siegfried J. Schmidt. Upshot: I focus my commentary on the fundamental metaphysical issue that Siegfried J. Schmidt’s very stimulating paper addresses in §45 and particularly upon the relationship between the ontological status of the processes from which worlds emerge and the temporality of the objects to be found therein. I argue that Schmidt’s emphasis on world-forming proce…Read more