Do chimpanzees (Pan troglodytes) understand single invisible displacement?

Collier-Baker, Emma, Davis, Joanne M., Nielsen, Mark and Suddendorf, Thomas (2006) Do chimpanzees (Pan troglodytes) understand single invisible displacement?. Animal Cognition, 9 1: 55-61. doi:10.1007/s10071-005-0004-5

Author Collier-Baker, Emma
Davis, Joanne M.
Nielsen, Mark
Suddendorf, Thomas
Title Do chimpanzees (Pan troglodytes) understand single invisible displacement?
Journal name Animal Cognition   Check publisher's open access policy
ISSN 1435-9448
Publication date 2006-01-01
Year available 2006
Sub-type Article (original research)
DOI 10.1007/s10071-005-0004-5
Open Access Status Not yet assessed
Volume 9
Issue 1
Start page 55
End page 61
Total pages 7
Editor Dr. Tatiana Czeschlik
Place of publication Heidelberg
Publisher Springer-Verlag
Language eng
Subject C1
389999 Other Behavioural and Cognitive Sciences
780108 Behavioural and cognitive sciences
380106 Developmental Psychology and Ageing
Abstract Previous research suggests that chimpanzees understand single invisible displacement. However, this Piagetian task may be solvable through the use of simple search strategies rather than through mentally representing the past trajectory of an object. Four control conditions were thus administered to two chimpanzees in order to separate associative search strategies from performance based on mental representation. Strategies involving experimenter cue-use, search at the last or first box visited by the displacement device, and search at boxes adjacent to the displacement device were systematically controlled for. Chimpanzees showed no indications of utilizing these simple strategies, suggesting that their capacity to mentally represent single invisible displacements is comparable to that of 18-24-month-old children.
Keyword Behavioral Sciences
Invisible Displacement
Mental Representation
Secondary Representation
Object Permanence
Associative Strategies
Piagetian Object-permanence
Parrot Psittacus-erithacus
Dogs Canis-familiaris
Orangutans Pongo-pygmaeus
Cats Felis-catus
Search Behavior
Q-Index Code C1
Institutional Status UQ
Additional Notes DOI: 10.1007/s10071-005-0004-5

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Created: Wed, 15 Aug 2007, 17:45:23 EST