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Article

Data de publicació

2021-06-08

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cc-by-nc-nd (c) Gimeno Rosell, Elisabet et al., 2021
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/230088

Navigation with two landmarks relatively far from a goal in rats (Rattus norvegicus): The role of landmark salience

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Recurs relacionat

https://doi.org/10.1016/j.lmot.2021.101742

Resum

Male and female rats were extensively trained in a Morris pool to find a hidden platform in the presence of a configuration formed by 2 landmarks and the effects of varying the salience of one of the landmarks were studied. The two landmarks could be either of different salience (i.e., B and c, Group Bc) or of the same salience (i.e., b and c, Group bc) and they were relatively far (110 cm) and equidistant from the hidden platform. Rats in Group Bc ended up being faster to reach the platform than rats in Group bc, and males were always faster to find the platform than females. No sex differences were found on subsequent test trials without the platform (i.e., when a different measure was used). The results showed a clear salience effect: The best rats’ perfor- mance was when the more salient landmark, B, was present, either by itself or in compound with landmark c. A final test trial, a conflict test, was also conducted with the two landmarks in compound although reversing their relative positions, in order to test the preference for the geometry they formed, a straight line (independently of the landmarks’ identities), vs. the landmarks identities, B or b. All rats showed a preference for the geometry formed by the two landmarks, independently of their identities.

Matèries

Navegació, Orientació animal

Matèries (anglès)

Navigation, Animal orientation

Citació

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Articles publicats en revistes (Cognició, Desenvolupament i Psicologia de l'Educació)

Citació

GIMENO ROSELL, Elisabet, RODRIGO I CALDUCH, Ma. Teresa and CHAMIZO, Victoria D. Navigation with two landmarks relatively far from a goal in rats (Rattus norvegicus): The role of landmark salience. Learning and Motivation. 2021. Vol. 75. ISSN 0023-9690. [consulted: 29 of June of 2026]. Available at: https://hdl.handle.net/2445/230088

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