Abstract
In this chapter I focus on the theoretical grounds of Wells’ Ecological Functionalism. In the first section, I briefly present and discuss the Extended Mind hypothesis, with special regard to the so-called parity principle, and to the concept of active externalism. In the second section, I explain the reasons why, on the one side, we should not worry (at least for the moment) about some ontological issues concerning the Extended Mind hypothesis (e.g., the question: Are the external devices we use in some cognitive activities constitutive parts of our mind?). On the other side, we should focus our attention on the explanation of the functional role of any relevant feature of a cognitive system, be it internal or external to the organism. In the third section, I discuss Wells’ arguments against the Computational Theory of Mind and the connectionist approach. In the last section, I present Wells’ original view of Turing machines as formal models for Gibson’s concept of affordance.
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Notes
- 1.
Another mental experiment reported by Clark and Chalmers in the same article involves rotations of geometric shapes in order to decide their fitting into sockets, as in the game of Tetris. Although this last example seems more suited as a starting point for the formulation of an original view about the functioning of the mind, for some reasons, which I will try to interpret later on this chapter, EMH’s critics focused their attention on Otto and Inga’s story.
- 2.
Hurley (2010) interestingly reconstructs a taxonomy of the varieties of externalism where two basic forms, the “what” (Putnam-Burge style) and “how” (e.g., EMH style) varieties, are combined with two possible fields of applications, namely applications to the “content” and/or to the “quality” of experience.
- 3.
Menary (2010) contains an interesting review of this debate from an externalist stance.
- 4.
I am purposely focusing on the meshed position (functionalism + computationalism) but I am not suggesting that we can treat those as undistinguished views. This is a common mistake that must be avoided. See (Piccinini 2010) for a thorough analysis of this topic.
- 5.
Hereafter, for simplicity, I will use the expression ‘universal computer’ instead of the complete expression ‘digital universal computer’.
- 6.
As an example of this contrast, compare Wells position with the following quotation:
The nervous system, constituting an intricate web of neurons with \(10^{14}\) synaptic connections that adapt with experience, cannot be perceived as a static algorithm; the chemical and physical processes affecting the neuronal states, like other natural processes, are based on exact real values and are thus not specifiable by finite means (Siegelmann 2003, p. 105).
.
- 7.
- 8.
This remark does not mean that the inner part of a cognitive system cannot be able to make changes in its environment, but that a cognitive system need to take the structure of its environment as something already given, in order to make an adaptation to environmental conditions possible.
- 9.
A duality is “any symmetrical rule [...] where T applies to map X onto Z and Z onto X” (Shaw and Turvey 1981, p. 381).
- 10.
In situation theory a constraint is defined as a “dependency relation between situation types” (Greeno 1994, p. 338).
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Pinna, S. (2017). Cognition as Organism-Environment Interaction. In: Extended Cognition and the Dynamics of Algorithmic Skills. Studies in Applied Philosophy, Epistemology and Rational Ethics, vol 35. Springer, Cham. https://doi.org/10.1007/978-3-319-51841-1_2
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