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Author (up) Sekuler, A.B.; Lee, J.A.; Shettleworth, S.J. openurl 
  Title Pigeons do not complete partly occluded figures Type Journal Article
  Year 1996 Publication Perception Abbreviated Journal Perception  
  Volume 25 Issue 9 Pages 1109-1120  
  Keywords Animals; *Columbidae; *Visual Perception  
  Abstract One of the most common obstacles to object perception is the fact that objects often occlude parts of themselves and parts of other objects. Perceptual completion has been studied extensively in humans, and researchers have shown that humans do complete partly occluded objects. In an effort to understand more about the mechanisms underlying completion, recent research has extended the study of perceptual completion to other mammalian species. Monkeys and mice also seem to complete two-dimensional representations of partly occluded objects. The present study addresses the question of whether this capacity generalizes to a nonmammalian species, the pigeon (Columba livia). The results point to a limit of the generalizability of perceptual completion: pigeons do not complete partly occluded figures.  
  Address Department of Psychology, University of Toronto, ON, Canada  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0301-0066 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8983050 Approved no  
  Call Number refbase @ user @ Serial 377  
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