Spatial learning by rats across visually disconnected environments

Détails

ID Serval
serval:BIB_DEB1630E3D7D
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Spatial learning by rats across visually disconnected environments
Périodique
Quarterly Journal of Experimental Psychology. B, Comparative and Physiological Psychology
Auteur(s)
Schenk F., Grobety M. C., Gafner M.
ISSN
0272-4995 (Print)
Statut éditorial
Publié
Date de publication
02/1997
Peer-reviewed
Oui
Volume
50
Numéro
1
Pages
54-78
Langue
anglais
Notes
Comparative Study Journal Article --- Old month value: Feb
Résumé
Two spatial tasks were designed to test specific properties of spatial representation in rats. In the first task, rats were trained to locate an escape hole at a fixed position in a visually homogeneous arena. This arena was connected with a periphery where a full view of the room environment existed. Therefore, rats were dependent on their memory trace of the previous position in the periphery to discriminate a position within the central region. Under these experimental conditions, the test animals showed a significant discrimination of the training position without a specific local view. In the second task, rats were trained in a radial maze consisting of tunnels that were transparent at their distal ends only. Because the central part of the maze was non-transparent, rats had to plan and execute appropriate trajectories without specific visual feedback from the environment. This situation was intended to encourage the reliance on prospective memory of the non-visited arms in selecting the following move. Our results show that acquisition performance was only slightly decreased compared to that shown in a completely transparent maze and considerably higher than in a translucent maze or in darkness. These two series of experiments indicate (1) that rats can learn about the relative position of different places with no common visual panorama, and (2) that they are able to plan and execute a sequence of visits to several places without direct visual feed-back about their relative position.
Mots-clé
Animals Behavior, Animal *Discrimination Learning Feedback Male Maze Learning *Memory *Orientation Rats *Space Perception
Pubmed
Web of science
Création de la notice
24/01/2008 14:28
Dernière modification de la notice
20/08/2019 17:03
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