Multisensory mental representation of objects in typical and Gifted Word Learner dogs.
Object discrimination
Object mental representation
Object recognition
Olfaction
Sensory modalities
Vision
Journal
Animal cognition
ISSN: 1435-9456
Titre abrégé: Anim Cogn
Pays: Germany
ID NLM: 9814573
Informations de publication
Date de publication:
Dec 2022
Dec 2022
Historique:
received:
28
01
2022
accepted:
17
05
2022
revised:
14
05
2022
pubmed:
9
6
2022
medline:
16
11
2022
entrez:
8
6
2022
Statut:
ppublish
Résumé
Little research has been conducted on dogs' (Canis familiaris) ability to integrate information obtained through different sensory modalities during object discrimination and recognition tasks. Such a process would indicate the formation of multisensory mental representations. In Experiment 1, we tested the ability of 3 Gifted Word Learner (GWL) dogs that can rapidly learn the verbal labels of toys, and 10 Typical (T) dogs to discriminate an object recently associated with a reward, from distractor objects, under light and dark conditions. While the success rate did not differ between the two groups and conditions, a detailed behavioral analysis showed that all dogs searched for longer and sniffed more in the dark. This suggests that, when possible, dogs relied mostly on vision, and switched to using only other sensory modalities, including olfaction, when searching in the dark. In Experiment 2, we investigated whether, for the GWL dogs (N = 4), hearing the object verbal labels activates a memory of a multisensory mental representation. We did so by testing their ability to recognize objects based on their names under dark and light conditions. Their success rate did not differ between the two conditions, whereas the dogs' search behavior did, indicating a flexible use of different sensory modalities. Little is known about the cognitive mechanisms involved in the ability of GWL dogs to recognize labeled objects. These findings supply the first evidence that for GWL dogs, verbal labels evoke a multisensory mental representation of the objects.
Identifiants
pubmed: 35674910
doi: 10.1007/s10071-022-01639-z
pii: 10.1007/s10071-022-01639-z
pmc: PMC9652232
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1557-1566Subventions
Organisme : National Brain Research Program
ID : 2017-1.2.1-NKP-2017-00002
Informations de copyright
© 2022. The Author(s).
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