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Yawn

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the ... This "contagious" yawning has also been observed in chimpanzees, dogs, and can occur acros...

Why Is Yawning So Contagious? | Psychology Today

www.psychologytoday.com/blog/the-athletes-way/201403/why-is-yawning-so-contagious

Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal phenomenon called “contagious yawning.” Researchers at Duke ...

Does contagious yawning mean you're nice? | HowStuffWorks

science.howstuffworks.com/life/contagious-yawn.htm

Contagious yawning is associated with the same parts of the brain that deal with empathy, according to a recent study. Learn about contagious yawning.

Why Is Yawning Contagious? : Discovery News

news.discovery.com/human/health/yawning-social-behavior.htm

Sep 15, 2010 ... Contagious yawning gets at the ancient, deep, and subconscious roots of empathy and social bonding. - Yawns become contagious around ...

Is yawning contagious? If so, why? What's the evidence? - Quora

www.quora.com/Is-yawning-contagious-If-so-why-Whats-the-evidence

Yawning has subsequently become contagious behaviour because it improves the survival function of herds. If there is some potential danger nearby, the ...

Is that person a psychopath? A yawn might help you tell - TODAY.com

www.today.com/health/person-psychopath-yawn-might-help-you-tell-t40276

Aug 24, 2015 ... People high in psychopathic personality traits often don't "catch" the contagious yawn, a new study finds.

www.ask.com/youtube?q=Why Is Yawning Contagious?&v=4NpG4F9yq00
Nov 7, 2013 ... View full lesson: http://ed.ted.com/lessons/why-is-yawning-contagious-claudia- aguirre *Yaaawwwwwn* Did just reading the word make you ...

Why Do We Yawn - and Why Is Yawning So Contagious? - Healthy ...

www.everydayhealth.com/healthy-living/why-do-we-yawn-and-why-is-yawning-contagious.aspx

Dec 15, 2011 ... Ever wonder why we yawn or why yawning is contagious? We take a look at the most popular answers to this frequently asked question.

BBC NEWS | UK | Magazine | Why is yawning contagious?

news.bbc.co.uk/2/hi/uk_news/magazine/6270036.stm

Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake, say US researchers. But why does seeing someone else yawn ...

Psychopaths May Be Immune To Contagious Yawning

www.huffingtonpost.com/entry/psychopaths-contagious-yawning_us_55d1ff2de4b07addcb437067

Aug 17, 2015 ... Psychopaths May Be Immune To Contagious Yawning. Those who lack empathy don't seem to “catch” yawns like the rest of us do. 08/17/2015 ...

Answer
Yawning is thought to cool the brain and make it more alert. Simultaneous yawning may occur when a group of people are all breathing the same warm, stale air. Or contagious yawning may have evolved to help groups remain vigilant against danger.
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Why Are Yawns Contagious? | Mental Floss

mentalfloss.com

Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn expert Robert Provine says it's “ancient and autonomic.” It stems ...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com

Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests that our sleepy sighs help to regulate the temperature of our ...

Psychopaths Might Be Immune to Contagious Yawning | Smart News

www.smithsonianmag.com

Aug 25, 2015 ... It has long been believed that “contagious yawning” is actually a deep-seated signal that demonstrates an empathetic connection with another ...