Hear them roar: A comparison of black-capped chickadee (Poecile atricapillus) and human (Homo sapiens) perception of arousal in vocalizations across all classes of terrestrial vertebrates

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dc.contributor.authorJenna V. Congdon
dc.contributor.authorAllison H. Hahn
dc.contributor.authorPiera Filippi
dc.contributor.authorKimberley A. Campbell
dc.contributor.authorJohn Hoang
dc.contributor.authorErin N. Scully
dc.contributor.authorDaniel L. Bowling
dc.contributor.authorStephan A. Reber
dc.contributor.authorChristopher B. Sturdy
dc.date.accessioned2025-05-01T12:27:40Z
dc.date.available2025-05-01T12:27:40Z
dc.date.issued2019-05-16
dc.descriptionRecently, evidence for acoustic universals in vocal communication was found by demonstrating that humans can identify levels of arousal in vocalizations produced by species across three biological classes (Filippi et al., 2017). Here, we extend this work by testing whether two vocal learning species, humans and chickadees, can discriminate vocalizations of high and low arousal using operant discrimination go/no-go tasks. Stimuli included vocalizations from nine species: Giant panda, American alligator, common raven, hourglass treefrog, African elephant, Barbary macaque, domestic pig, black-capped chickadee, and human. Subjects were trained to respond to high or low arousal vocalizations, then tested with additional high and low arousal vocalizations produced by each species. Chickadees (Experiment 1) and humans (Experiment 2) learned to discriminate between high and low arousal stimuli and significantly transferred the discrimination to additional panda, human, and chickadee vocalizations. Finally, we conducted discriminant function analyses using four acoustic measures, finding evidence suggesting that fundamental frequency played a role in responding during the task. However, these analyses also suggest roles for other acoustic factors as well as familiarity. In sum, the results from these studies provide evidence that chickadees and humans are capable of perceiving arousal in vocalizations produced by multiple species.
dc.identifier.doihttps://doi.org/10.7939/R3S75714K
dc.language.isoen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectemotional arousal
dc.subjectvocalizations
dc.subjectblack-capped chickadee
dc.subjecthuman
dc.titleHear them roar: A comparison of black-capped chickadee (Poecile atricapillus) and human (Homo sapiens) perception of arousal in vocalizations across all classes of terrestrial vertebrates
dc.typehttp://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_970fb48d4fbd8a85
ual.jupiterAccesshttp://terms.library.ualberta.ca/public

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