You'd lose a cat and learn nothing. If you want to know why your particular favorite feline is purring, Buffington suggests paying attention to what prompted the purring and what it leads to. Did you just arrive home to be greeted by your cat purring and rubbing against your leg? He might be happy to see you. Is your cat pestering you around dinnertime, purring insistently? It may be hungry. Cats seem to purr with greater urgency when hungry. Is he purring at you through YouTube?
Maybe he's encouraging you to finish the story you're writing. This was my soundtrack for writing this piece. Work by Elizabeth von Muggenthaler, Karen Overall, and others has led to a better understanding of the purpose of the purr. Cats will often purr on their own - it's believed it promotes bones and tissue growth Credit: Alamy. Cats begin purring when they are a few days old, which helps their mothers locate them for feeding time. The more science has delved into the purr, the more it seems to have uncovered.
This is where we address seemingly simple questions… that have very interesting scientific answers. Let us know via Twitter or Facebook. We humans are naturally sensitive to the baby cry, so we respond also to the cry within the purr. There are lots of things like that we know so little about. One hypothesis is that the purr is a powerful healing action. The frequency of those vibrations — which range from 20Hz up to Hz — is thought to promote bone growth , as bones harden in response to the pressure.
The wiring travels from the brain to the muscles in the voice box, and this wiring is able to vibrate the muscles so that they act as a valve for air flowing past the voice box. The muscles work both during inhalation and exhalation, which creates the impression that cats can purr continuously. The air passes through the valve, which opens and closes rapidly to create the purring sound.
Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close. Mobile Newsletter chat dots. However, the same cat would probably continue to purr, without changing the frequency of the sound. When cats breathe, they dilate and constrict the glottis, the area around their vocal cords, in a rapid, rhythmic fashion.
As the air vibrates over the laryngeal muscles of their larynx, the purring sound occurs. But why do they purr after a stressful event?
0コメント