Ontogeny of orientation and spatial learning on the radial maze in mice

Developmental Psychobiology
P ChapillonJ M Lassalle

Abstract

The development of the orientation capacities of C57BL/6 mice has been studied on the radial maze in several procedures allowed to dissociate the different types of cues used by the mouse for solving the task with two intersession delays (2 and 24 hr). The results of the first two studies show that performance is independent of intersession delay regardless of the age of the subject. Mice as early as 23 days old obtain good performances when they can develop an algorithmic strategy or when they dispose of both proximal and distal cues during learning. At 37 days of age, however, mice can efficiently solve the radial maze task with distal cues alone. However, in the third experiment, 23-day-old mice were able to use distal cues for orientation at the end of the learning session if, at the onset, they also had access to proximal cues. These results suggest that, on weaning, mice use several types of information for task performance and that, as they mature, they turn more often to distal cues for orientation.

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Citations

Sep 1, 1996·Developmental Psychobiology·P Chapillon, P Roullet
Aug 1, 2008·Integrative Psychological & Behavioral Science·Robert Lickliter
Dec 2, 2000·Behavioural Brain Research·P Chapillon, A Debouzie
Sep 15, 2010·Life Sciences·Sunita SharmaHolly Brown-Borg
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Nov 6, 2014·Biomolecular Concepts·Robert Lickliter

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