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Unfolding Nature Shop: Unfolding Nature: Being in the Implicate Order

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What's up with yawning?
    #9652326 -

Can it actually be explained or is it just another mystery?

And how is it so contagious? I mean if someone yawns on a tv show it can get me yawning. Anyone know?


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Re: What's up with yawning? [Re: LobsterSauce]
    #9652339 -

http://en.wikipedia.org/wiki/Yawn


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Experience my nightmarish first time of smoking Ganja!


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Re: What's up with yawning? [Re: LobsterSauce]
    #9652346 -

Regarding the contagiousness issue, here's what wiki says:

The yawn reflex is often described as contagious: if one person yawns, this may cause another person to "sympathetically" yawn.[5][12] Observing another person's yawning face (especially his/her eyes), even reading, or thinking about yawning, can cause a person to yawn.[5][13][14] The proximate cause for contagious yawning may lie with mirror neurons, i.e., neurons in the frontal cortex of certain vertebrates, which upon being exposed to a stimulus from conspecific (same species) and occasionally interspecific organisms, activates the same regions in the brain.[15] Mirror neurons have been proposed as a driving force for imitation which lies at the root of much human learning, e.g., language acquisition. Yawning may be an offshoot of the same imitative impulse. A 2007 study found that children with autism spectrum disorder do not increase their yawning frequency after seeing videos of other people yawning, in contrast to typically developing children. This supports the claim that contagious yawning is based on the capacity for empathy.[16]

To look at the issue in terms of evolutionary advantage, if there is one at all, yawning might be a herd instinct.[17] Other theories suggest that the yawn serves to synchronize mood in gregarious animals, similar to the howling of the wolf pack. It signals tiredness to other members of the group in order to synchronize sleeping patterns and periods. This phenomenon has been observed among various primates. The threat gesture is a way of maintaining order in the primates' social structure. Specific studies were conducted on chimpanzees[18] and stumptail macaques.[19] A group of these animals was shown a video of other conspecifics yawning; both species yawned as well. This helps to partly confirm a yawn's "contagiousness."

Gordon Gallup, who hypothesizes that yawning may be a means of keeping the brain cool, also hypothesizes that "contagious" yawning may be a survival instinct inherited from our evolutionary past. "During human evolutionary history when we were subject to predation and attacks by other groups, if everybody yawns in response to seeing someone yawn, the whole group becomes much more vigilant, and much better at being able to detect danger."[7]

A recent study by the University of London has suggested that the "contagiousness" of yawns by a human will pass to dogs. The study observed that 21 of 29 dogs yawned when a stranger yawned in front of them, but did not yawn when the stranger only opened his mouth.[


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Nature is my God, Science is my religion.

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Re: What's up with yawning? [Re: DrunkenAttempt]
    #9652427 -

i always wondered why when i stretch in the morning, i hear that like rumbling sound. if you dont know what im talking about, when you wake up tomorrow, stretch and make sure you pay attention to the sound it makes.. its weird..


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Experience my nightmarish first time of smoking Ganja!


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Re: What's up with yawning? [Re: DrunkenAttempt]
    #9652429 -

Thanks. I can understand somewhat why it happens now but still can't get a grasp on how it's contagious.

Any chance anyone can dumb it down a bit?


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Re: What's up with yawning? [Re: LobsterSauce]
    #20358956 -

I have noticed same thing with caughing in public. Notice how when someone caughs on a bus, someone else immediately caughs too.


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Experimenting with sobriety

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Re: What's up with yawning? [Re: Dr. Delban] * 1
    #20358960 -

Monkey see, monkey do


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A Man Said to the Universe:
“Sir, I exist!”
“However,” replied the universe,
“The fact has not created in me
A sense of obligation.”

-Stephen Crane

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Unfolding Nature Shop: Unfolding Nature: Being in the Implicate Order

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