The myth of the Turing machine: the failings of functionalism and related theses

Author:Eliasmith, C

Article Title:The myth of the Turing machine: the failings of functionalism and related theses

Abstract:
The properties of Turing's famous 'universal machine' has long sustained functionalist intuitions about the nature of cognition. This paper shows that there is a logical problem with standard functionalist arguments for multiple realizability. These arguments rely essentially on Turing's powerful insights regarding computation. In addressing a possible reply to this criticism, it is further argued that functionalism is not a useful approach for understanding what it is to have a mind. In particular, it is shown that the difficulties involved in distinguishing implementation from function make multiple realizability claims untestable and uninformative. As a result, it is concluded that the role of Turing machines in philosophy of mind needs to be reconsidered.

Keywords: Turing machine; functionalism; multiple realizability; computational equivalence; philosophy of mind; Kolmogorov

DOI: 10.1080/09528130210153514

Source:JOURNAL OF EXPERIMENTAL & THEORETICAL ARTIFICIAL INTELLIGENCE

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