Publikation:

Perceptual integration of bodily and facial emotion cues in chimpanzees and humans

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Datum

2024

Autor:innen

Kim, Yena
Kret, Mariska E
Clay, Zanna

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European Union (EU): 802979
European Union (EU): 804582

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Open Access-Veröffentlichung
Open Access Gold
Core Facility der Universität Konstanz

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Titel in einer weiteren Sprache

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Published

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PNAS Nexus. Oxford University Press (OUP). 2024, 3(2), pgae012. eISSN 2752-6542. Verfügbar unter: doi: 10.1093/pnasnexus/pgae012

Zusammenfassung

For highly visual species like primates, facial and bodily emotion expressions play a crucial role in emotion perception. However, most research focuses on facial expressions, while the perception of bodily cues is still poorly understood. Using a novel comparative priming eye-tracking design, we examined whether our close primate relatives, the chimpanzees (Pan troglodytes), and humans infer emotions from bodily cues through subsequent perceptual integration with facial expressions. In experiment 1, we primed chimpanzees with videos of bodily movements of unfamiliar conspecifics engaged in social activities of opposite valence (play and fear) against neutral control scenes to examine attentional bias toward succeeding congruent or incongruent facial expressions. In experiment 2, we assessed the same attentional bias in humans yet using stimuli showing unfamiliar humans. In experiment 3, humans watched the chimpanzee stimuli of experiment 1, to examine cross-species emotion perception. Chimpanzees exhibited a persistent fear-related attention bias but did not associate bodily with congruent facial cues. In contrast, humans prioritized conspecifics' congruent facial expressions (matching bodily scenes) over incongruent ones (mismatching). Nevertheless, humans exhibited no congruency effect when viewing chimpanzee stimuli, suggesting difficulty in cross-species emotion perception. These results highlight differences in emotion perception, with humans being greatly affected by fearful and playful bodily cues and chimpanzees being strongly drawn toward fearful expressions, regardless of the preceding bodily priming cue. These data advance our understanding of the evolution of emotion signaling and the presence of distinct perceptual patterns in hominids.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

eye-tracking, perception, emotional body language, attention, communication

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ISO 690HEESEN, Raphaela, Yena KIM, Mariska E KRET, Zanna CLAY, 2024. Perceptual integration of bodily and facial emotion cues in chimpanzees and humans. In: PNAS Nexus. Oxford University Press (OUP). 2024, 3(2), pgae012. eISSN 2752-6542. Verfügbar unter: doi: 10.1093/pnasnexus/pgae012
BibTex
@article{Heesen2024-02-01Perce-70974,
  title={Perceptual integration of bodily and facial emotion cues in chimpanzees and humans},
  year={2024},
  doi={10.1093/pnasnexus/pgae012},
  number={2},
  volume={3},
  journal={PNAS Nexus},
  author={Heesen, Raphaela and Kim, Yena and Kret, Mariska E and Clay, Zanna},
  note={Article Number: pgae012}
}
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Corresponding Authors der Uni Konstanz vorhanden
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Ja
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Beschreibung der Forschungsdaten
All data and relevant R code
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