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Behavior is sensible but not globally optimal: Seeking common ground in the optimality debate

Published online by Cambridge University Press:  10 January 2019

Dobromir Rahnev Open the ORCID record for Dobromir Rahnev [Opens in a new window]  and
Rachel N. Denison Open the ORCID record for Rachel N. Denison [Opens in a new window]
Dobromir Rahnev
Affiliation:
School of Psychology, Georgia Institute of Technology, Atlanta, GA 30332. drahnev@gmail.comrahnevlab.gatech.edu
Rachel N. Denison
Affiliation:
Department of Psychology and Center for Neural Science, New York University, New York, NY 10003. rachel.denison@nyu.eduracheldenison.com
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Abstract

The disagreements among commentators may appear substantial, but much of the debate seems to stem from inconsistent use of the term optimality. Optimality can be used to indicate sensible behavior (adapted to the environment), globally optimal behavior (fully predicted from optimality considerations alone), locally optimal behavior (conforming to a specific model), and optimality as an empirical strategy (a tool for studying behavior). Distinguishing among these different concepts uncovers considerable common ground in the optimality debate.

Type
Authors’ Response
Information
Behavioral and Brain Sciences , Volume 41 , 2018 , e251
Copyright
Copyright © Cambridge University Press 2018 

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