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Differences in inhibitory control in two species of Tanganyikan bower‐building cichlids contrasting in building flexibility

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2024

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Ecology and Evolution. Wiley. 2024, 14(6), e11406. ISSN 2045-7758. eISSN 2045-7758. Verfügbar unter: doi: 10.1002/ece3.11406

Zusammenfassung

A central challenge in understanding the evolution of cognition is the ability to compare a set of species differing in a trait of interest while being ecologically and phylogenetically close. Here, we examine whether differences in bower‐building flexibility are related to differences in cognitive flexibility between two Tanganyikan cichlids. Cognitive flexibility enables animals to modify their decision rules when faced with new situations, and inhibitory control, the ability to inhibit a normally favoured response, is an essential component of this capacity. We tested male Aulonocranus dewindti and Cyathopharynx furcifer in a choice‐against‐preference paradigm. Both species clean their bowers of foreign objects and we found that both preferred to remove a snail shell over a stone. We tested their ability to modify this preference and learned to preferably select the stone instead of the shell. Although neither species showed clear learning of the new preference rule, both demonstrated inhibitory control through increased decision times and manipulations of the objects when selecting the stone. Specifically, A. dewindti , the species exhibiting greater behavioural flexibility in the construction of their bowers, selected the stone in fewer trials than C. furcifer , providing support for a link between behavioural flexibility in bower construction and cognitive flexibility.

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570 Biowissenschaften, Biologie

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animal construction, cognitive flexibility, comparative cognition, lek, preference, wild animals

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ISO 690TOMASEK, Maëlan, Katinka SOLLER, Valérie DUFOUR, Alex JORDAN, 2024. Differences in inhibitory control in two species of Tanganyikan bower‐building cichlids contrasting in building flexibility. In: Ecology and Evolution. Wiley. 2024, 14(6), e11406. ISSN 2045-7758. eISSN 2045-7758. Verfügbar unter: doi: 10.1002/ece3.11406
BibTex
@article{Tomasek2024-06Diffe-70118,
  year={2024},
  doi={10.1002/ece3.11406},
  title={Differences in inhibitory control in two species of Tanganyikan bower‐building cichlids contrasting in building flexibility},
  number={6},
  volume={14},
  issn={2045-7758},
  journal={Ecology and Evolution},
  author={Tomasek, Maëlan and Soller, Katinka and Dufour, Valérie and Jordan, Alex},
  note={Article Number: e11406}
}
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