Clark's nutcrackers (Nucifraga columbiana) and the effects of goal-landmark distance on overshadowing

Aleida J. Goodyear, Alan C. Kamil

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

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-landmark distance on encoding of a landmark array. All 3 groups readily learned the task and were subsequently tested in probe tests with only single landmarks from the array available. Search error in tests with single landmarks was compared both within and across groups. Results demonstrated that both relative and absolute goal-landmark distances are important in spatial search.

Original languageEnglish (US)
Pages (from-to)258-264
Number of pages7
JournalJournal of Comparative Psychology
Volume118
Issue number3
DOIs
StatePublished - Sep 1 2004

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ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Psychology (miscellaneous)

Cite this

Clark's nutcrackers (Nucifraga columbiana) and the effects of goal-landmark distance on overshadowing. / Goodyear, Aleida J.; Kamil, Alan C.

In: Journal of Comparative Psychology, Vol. 118, No. 3, 01.09.2004, p. 258-264.

Research output: Contribution to journalArticle

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