Compositionality in primate gestural communication and multicomponent signal displays

F Amici, L Oña, K Liebal - International Journal of Primatology, 2024 - Springer
Compositionality is the ability to combine meaningful elements into new combinations with
novel meanings, and it has long been considered one of the main hallmarks of human …

Theory of Mind in the Wild

A Royka, LR Santos - Current Opinion in Behavioral Sciences, 2022 - Elsevier
Theory of Mind (ToM)—the ability to infer others' mental states—is a fundamental part of
human social cognition. For decades, researchers have studied whether nonhuman …

The Association Between the Bared-Teeth Display and Social Dominance in Captive Chimpanzees (Pan troglodytes)

Y Kim, JMR Vlaeyen, R Heesen, Z Clay, ME Kret - Affective Science, 2022 - Springer
Humans use smiles—widely observed emotional expressions—in a variety of social
situations, of which the meaning varies depending on social relationship and the context in …

Bared‐teeth displays in bonobos (Pan paniscus): An assessment of the power asymmetry hypothesis

JMR Vlaeyen, R Heesen, ME Kret… - American Journal of …, 2022 - Wiley Online Library
Facial expressions are key to navigating social group life. The Power Asymmetry Hypothesis
of Motivational Emancipation predicts that the type of social organization shapes the …

Tactical signalling by victims increases bystander consolation in bonobos

R Heesen, DA Austry, Z Upton, Z Clay - bioRxiv, 2022 - biorxiv.org
Tactical emotion communication has long been considered uniquely-human. As a species,
we readily exaggerate, inhibit and modify emotional expressions according to social context …