Why Is Yawning Contagious?
Why Do We Yawn? http://www.twitter.com/Tweetsauce Vsauce SHIRTS: http://www.districtlines.com/vsauce Other peeps in this video: Charlie: http://www.youtube.c......
- published: 12 May 2012
- views: 3146636
- author: Vsauce
Trending News
Yawn can cool your brain
It may look unpleasant in office meeting or in the middle of a social dinner but yawning does help cool your brain. Yawning frequencies of people also vary with change in seasonal temperature, a research said. “The contagious yawning is...
The Siasat Daily 2014-05-07Wn by Email
The real reason we yawn
YAWNING can be a problem at the office for Lindsay Eierman. “I’ve explained, ‘I’m sorry, I didn’t get much sleep last night,’” says Ms Eierman, a 26-year-old social worker...
The Australian 2014-08-20We yawn to cool our brains: study
Washington: Yawning cools the brain to improve arousal and mental efficiency, according to a new study. Researchers led by psychologist Andrew Gallup of State University of...
Deccan Chronicle 2014-05-07Why do we yawn? Nothing to do with boredom - we're just cooling our brains, ...
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A yawn is a reflex of simultaneous inhalation of air and stretching of the eardrums, followed by exhalation of breath. Pandiculation is the act of yawning and stretching simultaneously.
Yawning is commonly associated with tiredness, stress, overwork, lack of stimulation and boredom, though recent studies show it may be linked to the cooling of the brain. In humans, yawning is often triggered by others yawning (e.g. seeing a person yawning, talking to someone on the phone who is yawning) and is a typical example of positive feedback. This "infectious" yawning has also been observed in chimpanzees[citation needed] and dogs.
Yawn, from Old English 'Ginian' and 'Gionian' meaning to "Open the mouth wide, gape," which in turn comes from the Proto-Germanic base gin-.
There are a number of theories that attempt to explain why animals and people yawn. It is likely that there are a number of triggers for the behavior. However, there are a few theories that attempt to explain the primary evolutionary reason for the yawn. None of them have been empirically substantiated.
This page contains text from Wikipedia, the Free Encyclopedia -
http://en.wikipedia.org/wiki/Yawn
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
Why Is Yawning Contagious?
Why Do We Yawn? http://www.twitter.com/Tweetsauce Vsauce SHIRTS: http://www.districtlines.com/vsauce Other peeps in this video: Charlie: http://www.youtube.c...
- duration: 5:46
- published: 12 May 2012
- updated: 06 Sep 2014
- views: 3146636
- author: Vsauce
Why Do We Yawn?
What makes yawning so contagious? Watch the 'Yawn-O-Meter': http://bit.ly/1qwFDrx SUBSCRIBE: http://bit.ly/10kWnZ7 Instagram and Twitter: @whalewatchmeplz an...
- duration: 2:31
- published: 12 Mar 2014
- updated: 06 Sep 2014
- views: 2806363
- author: AsapSCIENCE
Why is yawning contagious? The brain and mirror neurons
Have you ever wondered why when someone else yawns, you yawn too? Or have you ever felt pain when someone else talks about their pain? Neuroscientists have d...
- duration: 4:40
- published: 31 Jul 2009
- updated: 28 May 2013
- views: 12799
- author: anotherlookmedia
Why Do We Yawn?
Why do we yawn? If you think the answer is BOR-ing, then maybe your brain's just overheated. Let Hank explain the new thinking behind why we ... hold on ... *yawn*. Excuse me.
Help support us by subscribing to our page on Subbable: https://subbable.com/scishow
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Sources:
http://www.upenn.edu/gazette/1109/expert.html
http://news.nationalgeographic.com/news/2011/11/111115-yawning-mystery-brains-sinuses-health-science/
http://www.nytimes.com/2007/07/03/health/03insi.html?_r=0
http://serendip.brynmawr.edu/exchange/node/1912
http://www.loc.gov/rr/scitech/mysteries/yawn.html
http://www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/?no-ist
https://www.princeton.edu/main/news/archive/S31/64/49G23/index.xml?section=newsreleases
http://www.psychologytoday.com/blog/brain-sense/201111/why-do-you-yawn-when-youre-not-sleepy
http://www.epjournal.net/wp-content/uploads/ep0592101.pdf
- duration: 2:46
- published: 15 Apr 2014
- updated: 15 Apr 2014
- views: 150602
How Yawning Could Help Cool Down Your Brain
A new study suggests yawning is linked to cooling down people's brains. The more overheated people's heads were, the more they yawned. Follow Brice Sander: h...
- duration: 1:29
- published: 09 May 2014
- updated: 23 Aug 2014
- views: 570
- author: Newsy Science
(Brain Gang) K.MC-Yawn Remix ft. Sam Lao
here's the visual for the official remix to my joint "Yawn" featuring the young homie Sam Lao. Shot and directed by Jeremy Biggers and produced by Brain Gang Blue.
We out here!
@BrainGangKilla, @The_SamLao, @BiggsUNKO, and @DeathbyBlue
If you want to download the song, soundcloud that joint here:
https://soundcloud.com/braingangkilla/k-mc-ft-samlao-yawn-remix/
for everything else hit: http://www.KillaMC.net
- duration: 2:22
- published: 17 Apr 2013
- updated: 17 Apr 2013
- views: 1039
Why Do We Yawn?
You've probably seen someone yawn and felt compelled to take a deep inhale and exhale yourself. Yes, yawning is contagious, but why do we actually do it in t...
- duration: 3:16
- published: 20 Aug 2013
- updated: 31 Aug 2014
- views: 54248
- author: DNews
Symphony of Yawns
Ever feel tired at 3pm? That's because your brain really wants to take a nap. Learn more about sleep in John Medina's book, "Brain Rules." http://www.brainru...
- duration: 2:49
- published: 05 Feb 2008
- updated: 18 Aug 2014
- views: 26931
- author: brainrulesbook
Why We Yawn
Science theories of why we yawn, contagious yawning, how it effects our body, and the evolutionary purpose of animal yawning.
Why Blood Types Matter:
https://www.youtube.com/watch?v=qUxGGtDvex4&list;=PL0U3JN3YPyCfhln7UBz6nQFmJyobtavHW&index;=1
This is why we yawn & why it’s contagious in 60 seconds.
- It’s not just us. Dogs, snakes, and even fetuses in the womb yawn, but why? And why is it contagious?
- Physically yawning does a lot, by increases blood flow in the head, neck & face
- Sends cerebrospinal fluid down away from the brain, and drawing lots of air in.
-
- But the old theory that it helps oxygenate our blood was disproved in 1987. But it does increase blood flow, just not oxygenation
- There’s 2 theories with scientific backing. First is that yawning helps cool the brain.
- The increased blood flow pulls heat like a radiator & the cold air intake acts a refrigerator, for the new blood circulating through the brain.
- Detractors point out that fetuses & cold blooded animals yawn poking a small hole in this theory.
- Next, Animals yawn when something’s about to happen. It makes them more alert & aware. The yawn then spreads through the group so everyone’s ready.
- In humans, studies show a change in neurotransmitter & endocrine levels that support the alertness theory of yawning.
- And our contagious yawning may be a survival trait held over from a more primitive time.
- MRI studies also showed the emotional part of the brain active during contagious yawning, which also links it to empathy.
- About 60-70% of the population is susceptible to contagious yawning.
- If your one of them, the trick to stopping it is to breath through your nose. , And that’s scienceN60.
Video Creative Commons Attribution Vimeo:
1) Artefact 5 - Yawn (Contextualised & Second Layer) © Jonathan Hearn
2) Art In Me © Kemal Ersoy
3) 40 weeks Ariva © Bio Graphics
4) This Is My Brain on Bill © Infinity Café Flicks
5) Open Wide © vivek sangwan
Video Creative Commons Attribution Youtube:
1) Baby Yawn & Hiccups © Aaron Lauper
2) Inspiring Smarter Brain Research in Australia - Animation, Drew Berry © Australian Academy of Science
3) Kitty Yawn © dtbfooyt
4) When baby goats yawn © Plume's goat videos
5) Hippo yawn © Chris Thompson
6) Chimpanzees catch yawns from humans © LundUniversity
7) Cute bunny yawn © Giacomo Mariani
- duration: 1:23
- published: 05 Oct 2014
- updated: 05 Oct 2014
- views: 10
Why Do We Yawn? - What Makes Us Yawn? | Things You Want To Know | Kids Hut
Yawwwwwnnn!!! Hey Don't sleep off !! Aren't you eager to know why & when do we end up yawning? Watch the video & we are sure the next time you yawn you'll know why it's happening. Won't that be exciting? So watch it now!!
All Voices: Tulsi Kumar
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"What makes us yawn" "why we yawn" "why do we yawn" "Science" "Asap SCIENCE" "Yawn" "Yawning" "Tired" "Sleep" "Sleeping" "Yawn-O-Meter" "Why is yawning contagious?" "Oxygen" "Lungs" "Brain" "Cool brain" "Brain temperature" "Exhaustion"
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View full lesson: http://ed.ted.com/lessons/why-is-yawning-contagious-claudia-aguirre
*Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both the physiological and psychological. It's been observed in children as young as four and even in dogs! Claudia Aguirre visits the many intriguing theories that might explain contagious yawning.
Lesson by Claudia Aguirre, animation by TED-Ed.
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Good brain oxygenation stuff.
Dobry sposób na dotlenienie mózgu.
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