期刊
NATURE
卷 554, 期 7690, 页码 102-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nature25433
关键词
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资金
- Wellcome Trust
- Gatsby Charitable Foundation
- Kavli Foundation Dream Team project
- Isaac Newton Trust
- Cambridge NIHR Biomedical Research Centre
- MRC [MR/M018067/1] Funding Source: UKRI
- Medical Research Council [MR/M018067/1] Funding Source: researchfish
Here we describe the honeycomb maze, a behavioural paradigm for the study of spatial navigation in rats. The maze consists of 37 platforms that can be raised or lowered independently. Place navigation requires an animal to go to a goal platform from any of several start platforms via a series of sequential choices. For each, the animal is confined to a raised platform and allowed to choose between two of the six adjacent platforms, the correct one being the platform with the smallest angle to the goal-heading direction. Rats learn rapidly and their choices are influenced by three factors: the angle between the two choice platforms, the distance from the goal, and the angle between the correct platform and the direction of the goal. Rats with hippocampal damage are impaired in learning and their performance is affected by all three factors. The honeycomb maze represents a marked improvement over current spatial navigation tests, such as the Morris water maze(1-3), because it controls the choices of the animal at each point in the maze, provides the ability to assess knowledge of the goal direction from any location, enables the identification of factors influencing task performance and provides the possibility for concomitant singlecell recording.
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