Do New Caledonian crows solve physical problems through causal reasoning?

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dc.contributor.author Taylor, Alexander en
dc.contributor.author Hunt, Gavin en
dc.contributor.author Medina Rodriguez, FS en
dc.contributor.author Gray, Russell en
dc.date.accessioned 2012-05-10T20:45:51Z en
dc.date.issued 2009 en
dc.identifier.citation PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 276(1655):247-254 22 Jan 2009 en
dc.identifier.issn 0962-8452 en
dc.identifier.uri http://hdl.handle.net/2292/17855 en
dc.description.abstract The extent to which animals other than humans can reason about physical problems is contentious. The benchmark test for this ability has been the trap-tube task. We presented New Caledonian crows with a series of two-trap versions of this problem. Three out of six crows solved the initial trap-tube. These crows continued to avoid the trap when the arbitrary features that had previously been associated with successful performances were removed. However, they did not avoid the trap when a hole and a functional trap were in the tube. In contrast to a recent primate study, the three crows then solved a causally equivalent but visually distinct problem—the trap-table task. The performance of the three crows across the four transfers made explanations based on chance, associative learning, visual and tactile generalization, and previous dispositions unlikely. Our findings suggest that New Caledonian crows can solve complex physical problems by reasoning both causally and analogically about causal relations. Causal and analogical reasoning may form the basis of the New Caledonian crow's exceptional tool skills. en
dc.publisher The Royal Society en
dc.relation.ispartofseries Proceedings of the Royal Society of London Series B - Biological Sciences en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/1471-2954/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Do New Caledonian crows solve physical problems through causal reasoning? en
dc.type Journal Article en
dc.identifier.doi 10.1098/rspb.2008.1107 en
pubs.issue 1655 en
pubs.begin-page 247 en
pubs.volume 276 en
dc.rights.holder Copyright: The Royal Society en
dc.identifier.pmid 18796393 en
pubs.end-page 254 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 84611 en
pubs.org-id Science en
pubs.org-id Psychology en
pubs.record-created-at-source-date 2010-09-01 en
pubs.dimensions-id 18796393 en


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