The rediscovery of the mind
Representation and Reality
Minds and Machines
Interacting Trajectories in Design Space and Niche Space: A Philosopher Speculates About Evolution
PPSN VI Proceedings of the 6th International Conference on Parallel Problem Solving from Nature
Evolved Computing Devices and the Implementation Problem
Minds and Machines
An Analysis of the Criteria for Evaluating Adequate Theories of Computation
Minds and Machines
What does it mean to say that a physical system implements a computation?
Theoretical Computer Science
Modeling multimodal communication as a complex system
ZiF'06 Proceedings of the Embodied communication in humans and machines, 2nd ZiF research group international conference on Modeling communication with robots and virtual humans
Explaining Computation Without Semantics: Keeping it Simple
Minds and Machines
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After briefly discussing the relevance of the notions ’computation‘ and ’implementation‘ for cognitive science, I summarize some of the problems that have been found in their most common interpretations. In particular, I argue that standard notions of computation together with a ’state-to-state correspondence view of implementation‘ cannot overcome difficulties posed by Putnam‘s Realization Theorem and that, therefore, a different approach to implementation is required. The notion ’realization of a function‘, developed out of physical theories, is then introduced as a replacement for the notional pair ’computation-implementation‘. After gradual refinement, taking practical constraints into account, this notion gives rise to the notion ’digital system‘ which singles out physical systems that could be actually used, and possibly even built.