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Merely thinking about or seeing someone yawning can make you yawn. But why?
In a new study, researchers from the University of Nottingham looked at the brain to determine what makes yawning contagious. The BBC reports it happens in the part of the brain that controls ...
Wondering why you always yawn when other people do? Catch your dog yawning at the same time? Find out why the tired reflex is so contagious.
[2] [3] For fish and birds, this is described as gradual mouth gaping, staying open for at least three seconds and subsequently a rapid closure of the mouth. [4] Almost all vertebrate animals, including mammals, birds, reptiles, amphibians, and even fish, experience yawning. The study of yawning is called chasmology. [5] [6] [7]
[1] [2] For fsh and birds, this is described as gradual mouth gaping, staying open for at least 3 s and subsequently a rapid closure of the mouth. [3] 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).
Poromitra oscitans, the yawning, is a fish of the family Melamphaidae, found in tropical and subtropical waters of the indo-Pacific region. It grows to a length of 8.2cm SL, and lives at a depth of 643-5320m.
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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.