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Cognitive SearchEvolution, Algorithms, and the Brain$
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Peter M. Todd, Thomas T. Hills, and Trevor W. Robbins

Print publication date: 2012

Print ISBN-13: 9780262018098

Published to MIT Press Scholarship Online: May 2016

DOI: 10.7551/mitpress/9780262018098.001.0001

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Ecological and Behavioral Approaches to Search Behavior

Ecological and Behavioral Approaches to Search Behavior

(p.25) 3 Ecological and Behavioral Approaches to Search Behavior
Cognitive Search

David W. Stephens

Iain Couzin

Luc-Alain Giraldeau

The MIT Press

This chapter offers a selective review of behavioral and ecological perspectives on search behavior. Basic results from foraging theory are presented and their relationship to search is discussed. Techniques for the statistical description of searching motion are outlined, with a focus on the correlated random walk and the so-called Lévy flights—a technique that holds considerable promise. The problems of search in groups are reviewed at several levels. Both cooperative search (as conducted, e.g., by members of a social insect colony) and group movements of extremely selfish animals are considered. Finally, a review is provided of the producer-scrounger game, which considers the interactions within groups when some individuals parasitize the search behavior of others. The implications of these ideas are discussed and potential future directions for future enquiry are highlighted.

Keywords:   Strüngmann Forum Reports, cognitive search, animal search, biological study of search, cooperative search, foraging theory, producer-scrounger game, Lévy flights, correlated random walk

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