Use of a geometric rule or absolute vectors: Landmark use by Clark's nutcrackers (Nucifraga columbiana)

D. M. Kelly, S. Kippenbrock, J. Templeton, A. C. Kamil

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

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 landmark array during training, this search pattern did not transfer to the expansion tests. The nutcrackers searched at locations defined by absolute distance and/or direction relationships with landmarks in the training array. These results contrast with those from experiments with nutcrackers in which an abstract geometric rule was learned. This difference appears due to differences in the experimental paradigms used during training.

Original languageEnglish (US)
Pages (from-to)293-299
Number of pages7
JournalBrain Research Bulletin
Volume76
Issue number3
DOIs
StatePublished - Jun 15 2008

Keywords

  • Absolute and relative metrics
  • Clark's nutcracker
  • Geometry
  • Landmarks

ASJC Scopus subject areas

  • Neuroscience(all)

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