Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)

Imitation is a social learning mechanism in humans but its relevance in nonhuman primates is controversial. Studies have suggested that some ape species, such chimpanzees and orangutans, may be able to imitate. However, records of true imitation in gorillas are scarce. This study was designed to eva...

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Detalles Bibliográficos
Autores: Carrasco Pesquera, Lara, Martín-Maldonado Jiménez, Bárbara, Calvo Llorca, Miguel, Colell, Montserrat
Tipo de recurso: artículo
Fecha de publicación:2023
País:España
Institución:Universidad Europea (UEM)
Repositorio:ABACUS. Repositorio de Producción Científica
Idioma:inglés
OAI Identifier:oai:abacus.universidadeuropea.com:11268/12398
Acceso en línea:http://hdl.handle.net/11268/12398
Access Level:acceso abierto
Palabra clave:Zoología
Comportamiento animal
Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss
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spelling Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)Carrasco Pesquera, LaraMartín-Maldonado Jiménez, BárbaraCalvo Llorca, MiguelColell, MontserratZoologíaComportamiento animalGoal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity lossImitation is a social learning mechanism in humans but its relevance in nonhuman primates is controversial. Studies have suggested that some ape species, such chimpanzees and orangutans, may be able to imitate. However, records of true imitation in gorillas are scarce. This study was designed to evaluate the imitation ability of two female western lowland gorillas (Gorilla gorilla gorilla) by using the “do as I do” method, after 15 months of training. For the final evaluation, we tested the gorillas with 52 novel actions classified in four categories (Gestures, Object, Object-Object, and Object-Subject). To assess the difficulty of the novel actions, the lead researcher and two independent observers scored the responses from 0 to 3 based on how well they were done. During the training period, the two gorillas obtained similar success rates for imitation. During the evaluation, they achieved true imitation in 46% of transparent actions and 58% of the opaque actions. We identified “Gestures” as the easiest actions for one gorilla and “Object-Subject” for the other. “Object-Object” were the most difficult actions for both gorillas. Our findings show that female western lowland gorillas can imitate after a training period.20232023-11-2820242024-01-0120242024-01-01journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articlehttp://hdl.handle.net/11268/12398reponame:ABACUS. Repositorio de Producción Científicainstname:Universidad Europea (UEM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:abacus.universidadeuropea.com:11268/123982026-06-11T12:41:27Z
dc.title.none.fl_str_mv Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
title Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
spellingShingle Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
Carrasco Pesquera, Lara
Zoología
Comportamiento animal
Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss
title_short Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
title_full Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
title_fullStr Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
title_full_unstemmed Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
title_sort Evidence of Imitation in Trained Gorillas (Gorilla gorilla gorilla)
dc.creator.none.fl_str_mv Carrasco Pesquera, Lara
Martín-Maldonado Jiménez, Bárbara
Calvo Llorca, Miguel
Colell, Montserrat
author Carrasco Pesquera, Lara
author_facet Carrasco Pesquera, Lara
Martín-Maldonado Jiménez, Bárbara
Calvo Llorca, Miguel
Colell, Montserrat
author_role author
author2 Martín-Maldonado Jiménez, Bárbara
Calvo Llorca, Miguel
Colell, Montserrat
author2_role author
author
author
dc.contributor.none.fl_str_mv
dc.subject.none.fl_str_mv Zoología
Comportamiento animal
Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss
topic Zoología
Comportamiento animal
Goal 15: Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss
description Imitation is a social learning mechanism in humans but its relevance in nonhuman primates is controversial. Studies have suggested that some ape species, such chimpanzees and orangutans, may be able to imitate. However, records of true imitation in gorillas are scarce. This study was designed to evaluate the imitation ability of two female western lowland gorillas (Gorilla gorilla gorilla) by using the “do as I do” method, after 15 months of training. For the final evaluation, we tested the gorillas with 52 novel actions classified in four categories (Gestures, Object, Object-Object, and Object-Subject). To assess the difficulty of the novel actions, the lead researcher and two independent observers scored the responses from 0 to 3 based on how well they were done. During the training period, the two gorillas obtained similar success rates for imitation. During the evaluation, they achieved true imitation in 46% of transparent actions and 58% of the opaque actions. We identified “Gestures” as the easiest actions for one gorilla and “Object-Subject” for the other. “Object-Object” were the most difficult actions for both gorillas. Our findings show that female western lowland gorillas can imitate after a training period.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023-11-28
2024
2024-01-01
2024
2024-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/11268/12398
url http://hdl.handle.net/11268/12398
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:ABACUS. Repositorio de Producción Científica
instname:Universidad Europea (UEM)
instname_str Universidad Europea (UEM)
reponame_str ABACUS. Repositorio de Producción Científica
collection ABACUS. Repositorio de Producción Científica
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.300719

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