The use of relative and absolute bearings by Clark's nutcrackers, Nucifraga columbiana
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Clark's nutcrackers (Nucifraga columbiana) and the effects of goal--landmark distance on overshadowing.
Three groups of Clark's nutcrackers (Nucifraga columbiana) were trained to find a goal location defined by an array of 4 landmarks that varied in goal--landmark distance. The arrays for each group differed in the distance of the closest landmark and contained goal--landmark distances that were common across groups, allowing for the examination of the effects of both relative and absolute goal--...
متن کاملThe effects of requiring different response strategies following caching in Clarkâ•Žs nutcrackers (Nucifraga columbiana)
The effects of requiring different response strategies following caching in Clark's nutcrackers (Nucifraga columbiana)" (1994).
متن کاملUse of a geometric rule or absolute vectors: landmark use by Clark's nutcrackers (Nucifraga columbiana).
Clark's nutcrackers (Nucifraga columbiana) were trained to search for a hidden goal located in the center of a four-landmark array. Upon completion of training, the nutcrackers were presented with tests that expanded the landmark array in the east-west direction, north-south direction and in both directions simultaneously. Although the birds learned to search accurately at the center of the lan...
متن کاملGeometric rule learning by Clark's nutcrackers (Nucifraga columbiana).
Clark's nutcrackers (Nucifraga columbiana) were trained to search in a location defined by its geometric relationship to 2 landmarks. Two groups were trained to search at different points along the line connecting the landmarks, and 2 groups were trained to find the 3rd point of a triangle, on the basis of either direction or distance from the landmarks. All groups learned and transferred to ne...
متن کاملTests for cognitive mapping in Clark's nutcrackers (Nucifraga columbiana).
In these experiments, the authors examined the nature of the spatial information that Clark's nutcrackers (Nucifraga columbiana) use during navigation and whether this information is represented in the form of a cognitive map. In Experiment 1, nutcrackers were able to use distal cues to locate a small hidden goal. In Experiments 2 and 3, nutcrackers were given the opportunity to develop a map o...
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تاریخ انتشار 2017