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MONDAY, Oct. 9, 2023 (HealthDay Information) — Anybody with a cat is aware of the calm, low rumble of purring, however how does such a small animal make such a low sound?
New analysis suggests it boils right down to a pad embedded in feline vocal wire folds.
That’s completely different than beforehand thought, which was that purring occurred via a particular mechanism, with cyclical contraction and rest of the muscle groups within the vocal folds throughout the larynx, and that it required fixed management from the mind.
“Anatomical investigations revealed a singular ‘pad’ throughout the cats’ vocal folds that will clarify how such a small animal, weighing only some kilograms, can often produce sounds at these extremely low frequencies [20 to 30 Hz, or cycles per second] — far beneath even than lowest bass sounds produced by human voices,” researcher Christian Herbst, a voice scientist from the College of Vienna, stated in a college information launch.
The findings, revealed on-line Oct. 3 within the journal Present Biology, aren’t an outright contradiction of the earlier idea, however they’re a transparent indicator that the understanding of cat purring is incomplete, the researchers stated.
A managed laboratory experiment confirmed that the home cat larynx can produce these low-pitched sounds with a mechanism just like the human “creaky voice.”
Extra info
The U.S. Library of Congress has extra on how cats talk with one another.
SOURCE: College of Vienna, information launch, Oct. 4, 2023
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