期刊
PHYSIOLOGY & BEHAVIOR
卷 73, 期 1-2, 页码 37-42出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9384(01)00419-X
关键词
spatial learning; water maze; dry maze; mouse
In the present study, we used a dry maze task to assess the spatial learning ability of C57BL/6N and BALB/cA mice besides the water maze task. In Experiment 1, the performance of C57BL/6N and BALB/cA mice in the water maze task and dry maze task were investigated. In the former task, the mice had to learn the position of a hidden platform submerged below the water surface and they had to learn the position of a baited hole on the circular maze in the latter task. C57BL/6N mice showed significant learning in both maze tasks, whereas BALB/cA mice showed learning in a dry maze but not in water maze as reported before. In Experiment 2, a dry maze task was conducted on a circular open field which contained 16 holes arranged symmetrically and which was put on the same height as the surface of the water maze. In Experiment 2, BALB/cA mice showed significant improvement in latency and path length to reach the food hole. The poor performance of the BALB/cA in the water maze task may reflect a weak motivation, escaping from water, rather than the poor spatial memory in this strain. (C) 2001 Elsevier Science Inc. All rights reserved.
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