Dogs with a vocabulary of object labels retain them for at least 2 years

Author:

Dror Shany12ORCID,Miklósi Ádám134,Fugazza Claudia13

Affiliation:

1. Department of Ethology, Eötvös Loránd University, Pázmány P. s 1c, 6th Floor , Budapest 1117, Hungary

2. Messerli Research Institute, University of Veterinary Medicine , Vienna, Austria

3. ELTE NAP, Comparative Ethology Research Group , Budapest, Hungary

4. MTA-ELTE, Comparative Ethology Research Group , Budapest, Hungary

Abstract

Long-term memory of words has a crucial role in the developing abilities of young children to acquire language. In dogs, the ability to learn object labels is present in only a small group of uniquely gifted word learner (GWL) dogs. As they are very rare, little is known about the mechanisms through which they acquire such large vocabularies. In the current study, we tested the ability of five GWL dogs to retrieve 12 labelled objects 2 years after the object-label mapping acquisition. The dogs proved to remember the labels of between three and nine objects. The results shed light on the process by which GWL dogs acquire an exceptionally large vocabulary of object names. As memory plays a crucial role in language development, these dogs provide a unique opportunity to study label retention in a non-linguistic species.

Funder

Hungarian Academy of Sciences

MTA-ELTE Comparative Ethology Research Group

Hungarian Ethology Foundation

Brain Research Program

Publisher

The Royal Society

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