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...
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 ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
Update (Jan 2016): I wrote this answer several years ago. Though it currently has
accumulated ... Mirror neuron activity during contagious yawning--an fMRI study.
Contagious Yawning May Not Be Linked to Empathy; Still Largely Unexplained
Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have
several theories about the science behind this contagious ...
According to Christopher Bergland for Psychology Today, a universal
phenomenon causes approximately half of all adults to yawn after another
Jul 8, 2016 ... People high in psychopathic personality traits often don't "catch" the contagious
yawn, a new study finds.
Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel
. But unlike sleep apnea or laptops in the bedroom, yawning is ...
Aug 17, 2015 ... Those who lack empathy don't seem to "catch" yawns like the rest of us do.
www.ask.com/youtube?q=Why are yawns contagious&v=jGIbUK4nw00
May 12, 2012 ... Why Do We Yawn? http://www.twitter.com/Tweetsauce Vsauce SHIRTS: http://
www.districtlines.com/vsauce Other peeps in this video: Charlie: ...