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Merely thinking about or seeing someone yawning can make you yawn. But why?
Yawning may be an offshoot of the same imitative impulse. A 2007 study found that young children with autism spectrum disorders do not increase their yawning frequency after seeing videos of other people yawning, in contrast to neurotypical children. In fact, the autistic children actually yawned less during the videos of yawning than during ...
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Yawning often feels involuntary—it’s triggered by the same part of the brain as sneezing, Sullivan says. But the difference is, a yawn can be controlled from “the top down” if you think ...
The book is written in the style of a reporter on the news who is reporting on the number of sleepers in the world. The book starts with a "very small bug" named Van Vleck yawning. The narrator then tells the reader that this is very important news and goes on to explain that a yawn is contagious and will cause sleep across the countryside.
During faucalized voice, the sides of pharynx expand outward and the larynx descends and tilts forward. The term "yawny voice" is appropriate to compare this voice quality to the physiological act of yawning. Its opposite is harsh voice, a vocal quality produced when the pharynx is contracted and the larynx raised.
This is a more accurate defenition of a yawn and animals that perform yawning. Stretching the eardrums is only a small part of the yawn and refers to one specific hypothesis (middle ear clearing). This is considered a side-effect by many scientists in the field of yawning, thus I would not state it in the defenition. Thank you again!
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