Animal Learning & Behavior

, Volume 14, Issue 3, pp 322–330 | Cite as

Object permanence in the African Grey parrot (Psittacus erithacus)

  • Irene M. Pepperberg
  • Florence A. Kozak


An African Grey parrot was assessed for object permanence using tasks designed for human infants. The subject showed concepts of object permanence directly comparable to primate and nonprimate mammalian species similarly tested. Because the subject has also been the focus of a study on interspecies communication, the results are discussed in terms of the possible relationship between sensorimotor intelligence and language-like behaviors.


Domestic Chicken Object Permanence Invisible Displacement Visual Pursuit Visible Displacement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Psychonomic Society, Inc. 1986

Authors and Affiliations

  • Irene M. Pepperberg
    • 1
  • Florence A. Kozak
    • 1
  1. 1.Department of Anthropology and Program on Language and CognitionNorthwestern UniversityEvanston

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