New Caledonian Crows Use Mental Representations to Solve Metatool Problems.

New Caledonian crow corvids foresight mental representation metatool use planning

Journal

Current biology : CB
ISSN: 1879-0445
Titre abrégé: Curr Biol
Pays: England
ID NLM: 9107782

Informations de publication

Date de publication:
18 02 2019
Historique:
received: 06 08 2018
revised: 22 11 2018
accepted: 03 01 2019
pubmed: 13 2 2019
medline: 4 3 2020
entrez: 13 2 2019
Statut: ppublish

Résumé

One of the mysteries of animal problem-solving is the extent to which animals mentally represent problems in their minds. Humans can imagine both the solution to a problem and the stages along the way [1-3], such as when we plan one or two moves ahead in chess. The extent to which other animals can do the same is far less clear [4-25]. Here, we presented New Caledonian crows with a series of metatool problems where each stage was out of sight of the others and the crows had to avoid either a distractor apparatus containing a non-functional tool or a non-functional apparatus containing a functional tool. Crows were able to mentally represent the sub-goals and goals of metatool problems: crows kept in mind the location and identities of out-of-sight tools and apparatuses while planning and performing a sequence of tool behaviors. This provides the first conclusive evidence that birds can plan several moves ahead while using tools.

Identifiants

pubmed: 30744978
pii: S0960-9822(19)30010-7
doi: 10.1016/j.cub.2019.01.008
pmc: PMC6384166
pii:
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

686-692.e3

Commentaires et corrections

Type : CommentIn
Type : CommentIn

Informations de copyright

Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.

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Auteurs

Romana Gruber (R)

School of Psychology, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand. Electronic address: rgru908@aucklanduni.ac.nz.

Martina Schiestl (M)

School of Psychology, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand; Max Planck Institute for the Science of Human History, Kahlaische Strasse 2, 07745 Jena, Germany.

Markus Boeckle (M)

Department of Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, UK; Department of Psychotherapy, Bertha von Suttner University, Matthias-Corvinus-Straße 15, 3100 St. Pölten, Austria.

Anna Frohnwieser (A)

Department of Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, UK.

Rachael Miller (R)

Department of Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, UK.

Russell D Gray (RD)

School of Psychology, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand; Max Planck Institute for the Science of Human History, Kahlaische Strasse 2, 07745 Jena, Germany.

Nicola S Clayton (NS)

Department of Psychology, University of Cambridge, Downing Street, Cambridge CB2 3EB, UK.

Alex H Taylor (AH)

School of Psychology, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand.

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Classifications MeSH