2023
DOI: 10.7717/peerj.14944
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The honest sound of physical effort

Abstract: Acoustic correlates of physical effort are still poorly understood, even though effort is vocally communicated in a variety of contexts with crucial fitness consequences, including both confrontational and reproductive social interactions. In this study 33 lay participants spoke during a brief, but intense isometric hold (L-sit), first without any voice-related instructions, and then asked either to conceal their effort or to imitate it without actually performing the exercise. Listeners in two perceptual expe… Show more

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Cited by 4 publications
(2 citation statements)
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“…Zahavi, 1982). Indeed, vocalizations produced during intense physical effort tend to be loud and relatively high-pitched (Anikin, 2023; Emanuel & Ravreby, 2022). Elevated lung pressure may also function to increase the integrity of the shoulder girdle in preparation for vigorous activity (Pouw & Fuchs, 2022), which means that it would be physically awkward to produce quiet (or, in fact, tonal and low-frequency) vocalizations while engaged in, or preparing for, a physical confrontation.…”
Section: Frequency Codementioning
confidence: 99%
“…Zahavi, 1982). Indeed, vocalizations produced during intense physical effort tend to be loud and relatively high-pitched (Anikin, 2023; Emanuel & Ravreby, 2022). Elevated lung pressure may also function to increase the integrity of the shoulder girdle in preparation for vigorous activity (Pouw & Fuchs, 2022), which means that it would be physically awkward to produce quiet (or, in fact, tonal and low-frequency) vocalizations while engaged in, or preparing for, a physical confrontation.…”
Section: Frequency Codementioning
confidence: 99%
“…Zahavi, 1982). Indeed, vocalizations produced during intense physical effort tend to be loud and relatively high-pitched (Anikin, 2023;Emanuel & Ravreby, 2022). Elevated lung pressure may also function to increase the integrity of the shoulder girdle in preparation for vigorous activity (Pouw & Fuchs, 2022), which means that it would be physically awkward to produce quiet (or, in fact, tonal and lowfrequency) vocalizations while engaged in, or preparing for, a physical confrontation.…”
Section: Why Loudness Mattersmentioning
confidence: 99%