Transitive reasoning in the adult domestic hen in a six-term series task

Abstract Transitive inference (TI) is a disjunctive syllogism that allows an individual to indirectly infer a relationship between two components, by knowing their respective relationship to a third component (if A > B and B > C, then A > C). The common procedure is the 5-term series task,...

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Main Authors: R. Degrande, O. Amichaud, B. Piégu, F. Cornilleau, P. Jardat, V. H.B. Ferreira, V. Colson, L. Lansade, L. Calandreau
Format: Article
Language:English
Published: Springer 2024-11-01
Series:Animal Cognition
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Online Access:https://doi.org/10.1007/s10071-024-01914-1
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author R. Degrande
O. Amichaud
B. Piégu
F. Cornilleau
P. Jardat
V. H.B. Ferreira
V. Colson
L. Lansade
L. Calandreau
author_facet R. Degrande
O. Amichaud
B. Piégu
F. Cornilleau
P. Jardat
V. H.B. Ferreira
V. Colson
L. Lansade
L. Calandreau
author_sort R. Degrande
collection DOAJ
description Abstract Transitive inference (TI) is a disjunctive syllogism that allows an individual to indirectly infer a relationship between two components, by knowing their respective relationship to a third component (if A > B and B > C, then A > C). The common procedure is the 5-term series task, in which individuals are tested on indirect, unlearned relations. Few bird species have been tested for TI to date, which limits our knowledge of the phylogenetic spread of such reasoning ability. Here we tested TI in adult laying hens using a more solid methodology, the 6-term series task, which has not been tested in poultry so far. Six hens were trained to learn direct relationships in a sequence of six arbitrary items (A > B > C > D > E > F) in a hybrid training procedure. Then, 12 testing sessions were run, comprising 3 non-rewarded inference trials each: BD, BE, and CE. All subjects showed TI within 12 inference trials and were capable of TI whatever the relative distance between the items in the series. We found that TI performance was not impacted by the reinforcement ratios of the items for most individuals, making it harder to support a purely associative-based resolution of the task. We suggest that TI is based on the same cognitive processes in poultry (Galloanserae) than in modern flying birds (Neoaves), and that the cognitive strategy to solve the task might be driven mainly by individual parameters within species. These results contribute to a better understanding of transitive inference processes in birds.
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spelling doaj-art-ed6ed362e6f849ce85deb61f18383fec2025-01-26T12:43:46ZengSpringerAnimal Cognition1435-94562024-11-0127111510.1007/s10071-024-01914-1Transitive reasoning in the adult domestic hen in a six-term series taskR. Degrande0O. Amichaud1B. Piégu2F. Cornilleau3P. Jardat4V. H.B. Ferreira5V. Colson6L. Lansade7L. Calandreau8CNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)IFIP - Institut du PorcCNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)CNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)CNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)CNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)Laboratoire de Physiologie et Génomique des Poissons, INRAECNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)CNRS, INRAE, Université de Tours, PRC (Physiologie de la Reproduction et des Comportements)Abstract Transitive inference (TI) is a disjunctive syllogism that allows an individual to indirectly infer a relationship between two components, by knowing their respective relationship to a third component (if A > B and B > C, then A > C). The common procedure is the 5-term series task, in which individuals are tested on indirect, unlearned relations. Few bird species have been tested for TI to date, which limits our knowledge of the phylogenetic spread of such reasoning ability. Here we tested TI in adult laying hens using a more solid methodology, the 6-term series task, which has not been tested in poultry so far. Six hens were trained to learn direct relationships in a sequence of six arbitrary items (A > B > C > D > E > F) in a hybrid training procedure. Then, 12 testing sessions were run, comprising 3 non-rewarded inference trials each: BD, BE, and CE. All subjects showed TI within 12 inference trials and were capable of TI whatever the relative distance between the items in the series. We found that TI performance was not impacted by the reinforcement ratios of the items for most individuals, making it harder to support a purely associative-based resolution of the task. We suggest that TI is based on the same cognitive processes in poultry (Galloanserae) than in modern flying birds (Neoaves), and that the cognitive strategy to solve the task might be driven mainly by individual parameters within species. These results contribute to a better understanding of transitive inference processes in birds.https://doi.org/10.1007/s10071-024-01914-1Transitive inferenceRelational memoryCognitionChickenGallus gallus Domesticus
spellingShingle R. Degrande
O. Amichaud
B. Piégu
F. Cornilleau
P. Jardat
V. H.B. Ferreira
V. Colson
L. Lansade
L. Calandreau
Transitive reasoning in the adult domestic hen in a six-term series task
Animal Cognition
Transitive inference
Relational memory
Cognition
Chicken
Gallus gallus Domesticus
title Transitive reasoning in the adult domestic hen in a six-term series task
title_full Transitive reasoning in the adult domestic hen in a six-term series task
title_fullStr Transitive reasoning in the adult domestic hen in a six-term series task
title_full_unstemmed Transitive reasoning in the adult domestic hen in a six-term series task
title_short Transitive reasoning in the adult domestic hen in a six-term series task
title_sort transitive reasoning in the adult domestic hen in a six term series task
topic Transitive inference
Relational memory
Cognition
Chicken
Gallus gallus Domesticus
url https://doi.org/10.1007/s10071-024-01914-1
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