Methodological approach to investigating spatial cognition in Arctic charr (Salvelinus alpinus).

Assessing cognitive traits poses consistent methodological challenges. We describe a method for testing Arctic charr by incorporating a T-maze into their housing, which reduced stress and improved the engagement of the tested fish in the task. We outline the phases of testing to evaluate learning ef...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Dellinger, Marion, Suret, Léo, Choblet, Maxime, Jozet-Alves, Christelle, Benhaïm, David
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2024
Subjects:
Arctic charr
egocentric strategy
learning
reward
spatial cognition
stress
Arctic
Salvelinus alpinus
Online Access:https://doi.org/10.1111/jfb.15936
https://pubmed.ncbi.nlm.nih.gov/39344190
Description
Summary:Assessing cognitive traits poses consistent methodological challenges. We describe a method for testing Arctic charr by incorporating a T-maze into their housing, which reduced stress and improved the engagement of the tested fish in the task. We outline the phases of testing to evaluate learning efficiency and determine which orientation strategies, such as motor response versus beaconing, are prioritized by the animals. We emphasize the stress management aspects of the design, aiming to inspire other researchers tackling similar obstacles, rather than delving into the specific aspects of cognitive abilities assessment.

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