Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.

Recognizing vocal behaviours intended to benefit others is a crucial yet understudied social skill. Primates with rich vocal repertoires and complex societies are excellent models to track the evolution of such capacity. Here, we exposed wild geladas (Theropithecus gelada) to vocal exchanges between...

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Main Authors: Luca Pedruzzi, Martina Francesconi, Alice Galotti, Bezawork Afework Bogale, Elisabetta Palagi, Alban Lemasson
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0323295
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author Luca Pedruzzi
Martina Francesconi
Alice Galotti
Bezawork Afework Bogale
Elisabetta Palagi
Alban Lemasson
author_facet Luca Pedruzzi
Martina Francesconi
Alice Galotti
Bezawork Afework Bogale
Elisabetta Palagi
Alban Lemasson
author_sort Luca Pedruzzi
collection DOAJ
description Recognizing vocal behaviours intended to benefit others is a crucial yet understudied social skill. Primates with rich vocal repertoires and complex societies are excellent models to track the evolution of such capacity. Here, we exposed wild geladas (Theropithecus gelada) to vocal exchanges between unfamiliar female victim screams and male affiliative calls. The stimuli were arranged in sequences either simulating vocal affiliation towards victims (scream-affiliative call) or violating such order (affiliative call-scream), with varying emotional arousal conveyed by the affiliative call type. Measuring gazing activity towards the loudspeaker and the interruptions of feeding, we show that monkeys were sensitive to the sequential order in vocal exchanges as well as to the emotional arousal conveyed by affiliative calls. Our field study suggests a prosocial use of vocalizations in wild monkeys and reveals that foundational cognitive elements for processing vocal exchanges as meaningful third-party interactions may have existed in our common ancestors with monkeys.
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spelling doaj-art-bea050c8dacb4eb69a2171652144c91a2025-08-20T01:54:19ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01205e032329510.1371/journal.pone.0323295Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.Luca PedruzziMartina FrancesconiAlice GalottiBezawork Afework BogaleElisabetta PalagiAlban LemassonRecognizing vocal behaviours intended to benefit others is a crucial yet understudied social skill. Primates with rich vocal repertoires and complex societies are excellent models to track the evolution of such capacity. Here, we exposed wild geladas (Theropithecus gelada) to vocal exchanges between unfamiliar female victim screams and male affiliative calls. The stimuli were arranged in sequences either simulating vocal affiliation towards victims (scream-affiliative call) or violating such order (affiliative call-scream), with varying emotional arousal conveyed by the affiliative call type. Measuring gazing activity towards the loudspeaker and the interruptions of feeding, we show that monkeys were sensitive to the sequential order in vocal exchanges as well as to the emotional arousal conveyed by affiliative calls. Our field study suggests a prosocial use of vocalizations in wild monkeys and reveals that foundational cognitive elements for processing vocal exchanges as meaningful third-party interactions may have existed in our common ancestors with monkeys.https://doi.org/10.1371/journal.pone.0323295
spellingShingle Luca Pedruzzi
Martina Francesconi
Alice Galotti
Bezawork Afework Bogale
Elisabetta Palagi
Alban Lemasson
Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
PLoS ONE
title Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
title_full Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
title_fullStr Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
title_full_unstemmed Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
title_short Wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression.
title_sort wild gelada monkeys detect emotional and prosocial cues in vocal exchanges during aggression
url https://doi.org/10.1371/journal.pone.0323295
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