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Synthese

, Volume 187, Issue 2, pp 471–487 | Cite as

Intractability and the use of heuristics in psychological explanations

  • Iris van RooijEmail author
  • Cory D. Wright
  • Todd Wareham
Open Access
Article

Abstract

Many cognitive scientists, having discovered that some computational-level characterization f of a cognitive capacity \({\phi}\) is intractable, invoke heuristics as algorithmic-level explanations of how cognizers compute f. We argue that such explanations are actually dysfunctional, and rebut five possible objections. We then propose computational-level theory revision as a principled and workable alternative.

Keywords

Psychological explanation Computational-level theory Computational complexity Intractability Heuristics NP-hard Algorithm Approximation 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2010

Authors and Affiliations

  • Iris van Rooij
    • 1
    Email author
  • Cory D. Wright
    • 2
  • Todd Wareham
    • 3
  1. 1.Donders Institute for Brain, Cognition, and BehaviourRadboud University NijmegenNijmegenThe Netherlands
  2. 2.Department of PhilosophyCalifornia State University Long BeachLong BeachUSA
  3. 3.Department of Computer ScienceMemorial University of NewfoundlandNLCanada

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