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Synthese

, Volume 193, Issue 12, pp 3951–3985 | Cite as

Bayesian reverse-engineering considered as a research strategy for cognitive science

  • Carlos Zednik
  • Frank Jäkel
Neuroscience and Its Philosophy

Abstract

Bayesian reverse-engineering is a research strategy for developing three-level explanations of behavior and cognition. Starting from a computational-level analysis of behavior and cognition as optimal probabilistic inference, Bayesian reverse-engineers apply numerous tweaks and heuristics to formulate testable hypotheses at the algorithmic and implementational levels. In so doing, they exploit recent technological advances in Bayesian artificial intelligence, machine learning, and statistics, but also consider established principles from cognitive psychology and neuroscience. Although these tweaks and heuristics are highly pragmatic in character and are often deployed unsystematically, Bayesian reverse-engineering avoids several important worries that have been raised about the explanatory credentials of Bayesian cognitive science: the worry that the lower levels of analysis are being ignored altogether; the challenge that the mathematical models being developed are unfalsifiable; and the charge that the terms ‘optimal’ and ‘rational’ have lost their customary normative force. But while Bayesian reverse-engineering is therefore a viable and productive research strategy, it is also no fool-proof recipe for explanatory success.

Keywords

Probabilistic modeling Rational analysis Ideal observers Reverse-engineering Levels of analysis Scientific explanation 

Notes

Acknowledgments

The authors would like to thank Cameron Buckner, Tomer Ullman, and Felix Wichmann for comments on an earlier draft of this paper. A preliminary version of this work was presented at the Annual Conference of the Cognitive Science Society (Zednik and Jäkel 2014), as well as at workshops and colloquia in Berlin, Cortina d’Ampezzo, Leiden, Osnabrück, Rauischholzhausen, and Tilburg.

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Authors and Affiliations

  1. 1.Institut III - PhilosophieOtto-von-Guericke-Universität MagdeburgMagdeburgGermany
  2. 2.Institut für KognitionswissenschaftUniversität OsnabrückOsnabrückGermany

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