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  Control over patch encounters changes foraging behavior

Hall-McMaster, S., Dayan, P., & Schuck, N. (2021). Control over patch encounters changes foraging behavior. iScience, 24(9): 103005. doi:10.1016/j.isci.2021.103005.

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Hall-McMaster , S, Author
Dayan, P1, 2, Author           
Schuck, NW, Author
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1Department of Computational Neuroscience, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3017468              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Foraging is a common decision problem in natural environments. When new exploitable sites are always available, a simple optimal strategy is to leave a current site when its return falls below a single average reward rate. Here, we examined foraging in a more structured environment, with a limited number of sites that replenished at different rates and had to be revisited. When participants could choose sites, they visited fast-replenishing sites more often, left sites at higher levels of reward, and achieved a higher net reward rate. Decisions to exploit-or-leave a site were best explained with a computational model that included both the average reward rate for the environment and reward information about the unattended sites. This suggests that unattended sites influence leave decisions, in foraging environments where sites can be revisited.

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 Dates: 2021-09
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.isci.2021.103005
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Title: iScience
Source Genre: Journal
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Publ. Info: Amsterdam ; Bosten ; London ; New York ; Oxford ; Paris ; Philadelphia ; San Diego ; St. Louis : Elsevier
Pages: 22 Volume / Issue: 24 (9) Sequence Number: 103005 Start / End Page: - Identifier: ISSN: 2589-0042
CoNE: https://pure.mpg.de/cone/journals/resource/2589-0042